100 g of soil is leached with a strong solution of Calcium chloride such that all the exchange sites are occupied by Ca2+. The soil is subsequently leached again with a strong solution of magnesium chloride. It is determined that the resulting 100 mL leachate contains 5000 mg of Ca2+. What is the soil CEC (cmolc/kg)? The atomic wt. of Ca is 40 g/mol. please answer in word don't image upload thank you.
Q: C4H9Cl (isomer 1) C4H9CI (isomer 2) C4H9CI (isomer 3) C4H9CI (isomer 4) Experiment 10 Introduction…
A: The question is based on the concept of isomers. isomers are the compounds having same molecular…
Q: Explain the occurrence of P and R branches in the rotational fine structure of a vibrational…
A: The rotational fine structure arises from the interaction between the rotational motion and the…
Q: 2h. Taking the Ksp of Zn(OH)2 as 4.0 x 10-3 and the Kf of [Zn(NH3)6] 2+ as 9.9 x 108 , determine how…
A: The overall reaction is Zn(OH)2(s) +6 NH3(aq) ⇔[Zn(NH3)6]2+ (aq) + 2OH-(aq) The equilibrium constant…
Q: Drawing SOCI2 pyridine CI
A:
Q: How are the compounds in each pair related to each other? Are they identical, enantiomers,…
A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…
Q: Give detailed Solution of all sub parts if you not then don't give answer
A:
Q: Sort the following structures in the increasing order of their boiling points (lowest one on top)…
A: The boiling point is the physical property of compound which can be defined as the vapour pressure…
Q: What is the pH of the buffer solution that contains 1.1 g of NH, CI in 250 mL of 0.080 M NHs? Is the…
A: Henderson equation for basic buffer solution is pOH = pKb + log [salt][base]
Q: disolve 0.186g of NaOH in 2.00 L of a buffer solution that has [H2PO4^-]=[HPO4^2-]=0.147 M. What is…
A:
Q: Empirical Formula Proof for C₂H302, a compound containing 57.838% carbon, 3.641% hydrogen, and…
A: Given
Q: Which of A to E shows the product that will be obtained from the reaction of (Z)-hex-2-ene with…
A:
Q: Will the bonding of the Zn2+ ion to the ketone oxygen lone pair make the ketone C=O easier or more…
A: A reducing agent is a substance that donates electrons or hydrogen atoms to another chemical…
Q: 2. Write a balanced double replacement reaction for each of the following sets of aqueous reagents.…
A: Dear learner as per our guildeline,I can solve only 1 question at once. Please find the solution of…
Q: Draw a mechanism for the reaction below. CHỊNH, dan CHÍNH,
A: We have find out the product of given reaction.
Q: Provide names for the following five oxygen containing organic molecules.
A: we have to name the given structures
Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 0.60kg sample…
A: Given data : mass of C9H10O2 = 0.60 kg = 600 g (1 kg = 1000 g) molar mass of compound = 150.18 g…
Q: Aqueous sodium carbonate reacts with aqueous iron (II) chloride to produce solid iron (II) carbonate…
A: We have to calculate the mass of iron(II)carbonate produced by the given reaction
Q: The following reaction produces two possible products (relevant amounts will vary with temperature).…
A:
Q: What state is the pH indicator (thymol blue) meant for? Gas O Solid O All Liquid Aqueous
A: Thymol blue (thymolsulfonephthalein) is a brownish-green or reddish-brown crystalline powder that is…
Q: Suppose that a reaction of stoichiometry A + B ----> Y + Z is believed to occur according to the…
A:
Q: What is the concentration in percent by volume of a solution containing 50.0mL of diethyl…
A: To calculate the percent by volume concentration of diethyl ether (C2H5)2O in the given solution, we…
Q: How many liters of 3.4 M HI will be required to reach the equivalence point with 2.1 L of 2.0 M KOH?
A: • we are given the molarity of the strong acid and strong base as well as the volume of the…
Q: diprotic acid ( H2A ) has ?a1=4.38×10−7 and ?a2=5.81×10−11. What is the pH of a 0.348 M H2A…
A: H2A is diprotic acid
Q: Can you redo the calculation ?
A: To redo the calculation involved in the question.
Q: Explain why it makes sense that most energies of formation on the data sheet are almost all negative…
A: The energy of formation, also known as the heat of formation, is the amount of energy released or…
Q: Above what Fe²+concentration will Fe(OH), precipitate from a buffer solution that has a pH of 8.67?…
A: Given, pH of the solution = 8.67 Ksp of Fe(OH)2 = 4.87 × 10-17 Concentration of Fe2+ = [Fe2+] = ?
Q: Please help answer the question on natural polymers proteins 1) sketch the two amino acids.…
A:
Q: 2 NO (g) + O₂ (g) → 2 NO₂ (g) At what temperature (in ºC) will the reaction change the direction in…
A: The given reaction is: 2NOg+O2g→2NO2g The standard enthalpy and entropy of NO (g) are 90.25 kJ/mol…
Q: Write the net ionic equation for the reaction when solutions of magnesium sulfide (MgS) and copper…
A: The ions which are present in complete ionic equation but not present in net ionic equation are…
Q: Black Forest Biologicals, a biotech startup, has a promising Alzheimer's drug candidate Compound…
A: We have to calculate the theoretical yield and percentage yield of SLT-88
Q: Suppose a 500. mL flask is filled with 1.4 mol Of OC12, 2.0 mol of BrOCI and 0.60 mol of BrC1. The…
A:
Q: 9. How many joules are given off when 75.0 g of water are cooled from 120.0 C to -85.0 C? (Draw the…
A: Given that the water (steam ) of mass 75 g at 120.0 C is cooled to -85.0C. So during the…
Q: Given the equilbrium concentrations of the reactants and products below, what is the equilibrium…
A:
Q: Which of the following is the chair representation of the double Newman projection shown below in…
A: To solve this type of problem draw the structure in 2-D form and then compare with the structure to…
Q: The major products A and B in the following reaction sequence are O MeO (i) t-BuOK(2.2 equiv.)…
A: Below the transformation are given in correct sequence
Q: The following reaction begins with only the reactant present. The [CaHCO 3 +] initially is 0.4700 M…
A:
Q: Draw the structural form of Asparagrine as it transition from low pH to high pH. Indicate the net…
A: We have to draw the structures of asparagine at low pH to high pH and determine the net charge and…
Q: 4+ Sn²+ (aq) + IO4 (aq) → Sn¹+ (aq) + (aq) Express your answer as a balanced net ionic equation.…
A: Part C: Sn2+ (aq) + IO4- (aq) → Sn4+ (aq) + I- (aq) Oxidation Half : Sn2+ (aq) → Sn4+ (aq) + 2e-…
Q: A 100.0 ml solution of 0.25M C6H5NH2 is titrated with 0.5M HClO4. What is the pH and the volume…
A: Given that concentration of HClO4 = 0.5 M concentration of Ph-NH2 = 0.25 M Volume of Ph-NH2…
Q: 10. Predict the unknown result of the following nuclear reaction: 238 234Th+a+X C. a. neutron 11. An…
A: Since, Balanced nuclear reaction means number of proton in both side is equal and also mass number…
Q: Draw a structural diagram (of any kind) of the following: 3-ethyl-1,1,2,2-tetramethylcyclopentane
A: IUPAC nomenclature used for the systematic naming of the organic molecules. According to IUPAC…
Q: Write the correct IUPAC name for the following structure A
A: Parent hydrocarbon ----> Cyclopentane Substituents ------> Chloro, Ethyl and Methyl
Q: Ammonia has been studied as an alternative "clean" fuel for internal combustion engines, since its…
A: Given: Initial number of moles of ammonia is 7.5 mol. Initial number of moles of oxygen is 19 mol.…
Q: 5. What is the correct name of the following groups? A) B) D) www
A: IUPAC nomenclature is used for naming the organic compound as recommended by international union of…
Q: Nrite a complete name for each compound: old IUPAC format for a/c, new IUPAC format for b/d. 1. مفید…
A: Rules for IUPAC naming:- Select the longest chain which contains carbon-carbon single bonds. Given…
Q: Calculate the root mean square (rms) average speed of the atoms in a sample of neon gas at 0.14 atm…
A:
Q: Provide names for the following nitrogen containing organic molecules
A: We have to name the given structures
Q: Write the systematic name of each organic molecule: CI CI structure CI ठ CI CI CI CI 0 0 0
A: A systematic name in organic chemistry is a method of naming organic molecules according to a set of…
Q: What is the pH of the buffer solution that contains 2.2 g of NH4Cl in 250 mL of a 0.070 M NH3? Is…
A: We have to calculate the pH of the buffer solution
100 g of soil is leached with a strong solution of Calcium chloride such that all the exchange sites are occupied by Ca2+. The soil is subsequently leached again with a strong solution of magnesium chloride. It is determined that the resulting 100 mL leachate contains 5000 mg of Ca2+. What is the soil CEC (cmolc/kg)? The atomic wt. of Ca is 40 g/mol.
please answer in word don't image upload thank you.
Trending now
This is a popular solution!
Step by step
Solved in 3 steps
- A 15.00 g sample containing mixed alkali and other inert components was dissolved and diluted to 300 mL with water. A 20 ml, aliquot was titrated with 5.02 mL of 0.5352 M HCI to reach PHP endpoint. Another 20 mL aliquot was titrated to the BCG endpoint, using up 18.87 mL of titrant in the process. Identify the alkali components and their percent weight.A soil is analyzed for total iron content by dissolving 0.1 g of soil in 10 mL of acid and digesting in a pressure bomb. The digest is filtered, diluted to a final volume of 100 mL, and analyzed for Fe. The total Fe in solution is 40 mg L-1. What is the total iron concentration in the soil in mg kg (ppm) and mmol kg 1? (Atomic wt. Fe = 55.8 g mole-1) (Show your work) %3DA 15.00 g sample containing mixed alkali and other inert components was dissolved and diluted to 300 mL with water. A 20 mL aliquot was titrated with 5.02 mL of 0.5352 M HCl to reach PHP endpoint. Another 20 mL aliquot was titrated to the BCG endpoint, using up 18.87 mL of titrant in the process. Note: Answer in two decimal places only. If there is no answer, type in 0.00. Use the molar masses 105.989 ?/??l ??2cO3 and 84.007 g/mol NaHCO3 indicated. The volume of titrant needed to neutralize NaOH is _________ mL.The volume of titrant needed to neutralize Na2CO3 is _____________ mL.The volume of titrant needed to neutralize NaHCO3 is _____________ mL. The mass of NaOH is ___________ g.The mass of Na2CO3 is __________ g.The mass of NaHCO3 is __________ g. The percent weight of NaOH is __________ %.The percent weight of Na2CO3 is __________ %.The percent weight of NaHCO3 is __________ %.
- An analyst weighed 0.25045 g of the Buffalo River Sediment reference material.(RM # 8704) to determine Pb levels. The material was digested in an acid medium toBring it to a solution which was made up to the 30.2450 mL mark with distilled water. If thePb concentration in the control certificate of analysis is (150 ± 17) mg / kg, and theanalyst recovered 95%, what was the concentration of Pb in the solution?Suppose you have a soil that is made up of 10% organic matter with CEC = 200 cmol/kg, 40% kaolinitewith CEC = 10 cmol/kg, and 50% vermiculite with CEC = 100 cmol/kg.1- Calculate the overall CEC of the soil by taking a weighted average of the three soil components.2- What percentage of the overall CEC is contributed by the organic matter? How does that numbercompare to the 10% of the soil itself that is organic?Soln. 1 Soln. 2 Soln. 3 Analysis of saturated Calcium lodate "Ca(103)2" solutions Molarity of 103 Molarity of Ca²+ (mol/L) (mol/L) 7.34410-5 0.005 Moles of S2032- used 4.406x10 -4 3.694×10 Average Ksp: +4 3.204×10 Moles of 103 reacted 7.34×10 6.156 x 10-5 5.34410 5 = 0·0147 6.156X10-5 0.005 0.0123 5.34x10-5 0.005 Ksp
- suppose your absent minded lab partner grabbed medium porosity filter paper instead of the fine porosity paper and you noticed cloudiness in your filtrate. will the reported concentration of limiting reactant solution be greater than, less than, or equal to the true concentration of limiting reactant solution? Na3PO4 and BaCl2 are the solutions usedA 20.330 g sample of aqueous waste leaving a fertilizer manufacturer contains ammonia. The sample is diluted with 74.044 g of water. A 10.245 g aliquot of this solution is then titrated with 0.1074 M HCl. It required 29.47 mL of the HCl solution to reach the methyl red endpoint. Calculate the weight percent NH, in the aqueous waste. wt% NH3 = APR 9 $ 4 R dº 10 % . 5 Search or type URL n T tv < 60 ♫ MacBook Pro A Y & N 7 907 U * 8 00 + I A ( 9 © | O - O W P J { + [ % ] deleteA chemical factory has been illegally disposing their chemical wastes without necessary pretreatments directly onto a river. To assess the extent of contamination, the H+ concentration of the river at 4 different sampling sites were obtained and shown below. Complete the table with the missing data. Site A B D Distance from the O km chemical factory 2.0 km 4.0 km 8.0 km [H+], mol/L 3.16 x 10-2 3.98 x 103 2.00 x 10-5 2.51 x 10-8 pH РОН
- The standard addition method is used to analyze a sample of a river water for mercury. Solution A is made by pipetting 5.00 mL of undiluted sample in to a 10 mL volumetric flask and filling to the mark with DI water. Solution B is made by pipetting 5.00 mL of undiluted sample and 3.00 mL of 15.0 ppb of Hg standard into same 10.0 mL volumetric flask and filling to the mark with DI. Solution A and B are analyzed using atomic absorption spectroscopy and give a percent transmittance values of 56 % and 33 % respectively (not blank corrected). A blank has a transmittance of 96%. What is the corrected absorbance of both solution A and B? OA. Solution A: 0.123 Solution B: 0.463 O B. Solution A: 0.463 Solution B: 0.234 O C. Solution A: 0.123 Solution B: 0.234 O D. Solution A: 0.234 Solution B: 0.463The standard addition method is used to analyze a sample of a river water for mercury. Solution A is made by pipetting 5.00 mL of undiluted sample in to a 10 mL volumetric flask and filling to the mark with DI water. Solution B is made by pipetting 5.00 mL of undiluted sample and 3.00 mL of 15.0 ppb of Hg standard into same 10.0 mL volumetric flask and filling to the mark with DI. Solution A and B are analyzed using atomic absorption spectroscopy and give a percent transmittance values of 56 % and 33 % respectively (not blank corrected). A blank has a transmittance of 96%. What is the corrected absorbance of both solution A and B? A. Solution A: 0.123 Solution B: 0.463 B. Solution A: 0.463 Solution B: 0.234 C. Solution A: 0.123 Solution B: 0.234 D. Solution A: 0.234 Solution B: 0.463Table 1: Volumes in of iodine in mL used to titrate mixtures of 10 mL of reaction mix and 10 mL of urine. student trial 1 trial 2 trial 3 total volume (mL) a 12.6 11.8 12.5 300 290 b. 10.6 10.7 10.6 11.1 118 12. 10.9 405 13.0 12.5 349 mg vit. C mL iodine TV (mL/hour) 10 mL urine aliquot TVC (mg/hour) =7 (mL) · CF !! What is the hourly vitamin C excretion rate (mg/h) of student b if the CF is 1.06? (include no more than two decimals in your answer, e.g.: 123.45, and do not type the units) 10.6 need ASAP