What volume of 0.01000 M AgNO, would be required to precipitate all of the I in 200.0 mL of a solution that contained 24.32 ppt KI?
Q: Calculate the pH of a buffer that contains 0.75 M acetic acid and 0.35 M acetate ion in 1 L…
A: The objective of this question is to calculate the pH of a buffer solution before and after the…
Q: How much of the enzyme proteinase k (solute) is required to make 250ml of a solution with a…
A: A protease (also called a peptidase or proteinase) is an enzyme that catalyzes proteolysis.…
Q: how much copper ion remains at equilibrium?
A:
Q: What is the free Cu2+ (ag) concentration in a solution made up by mixing 50.0 mL of 0.100M Cu(NO3)2…
A: Step 1:Step 2: Step 3: Step 4:
Q: Calculate the molarity (M) of a 46% (w/v) copper sulfate solution (m.w. = 160.0 g/mol)
A: Molarity is the number of moles of solute per litre of solution.
Q: Quinoline is isolated from a reaction mixture by the process of steam distillation. A mixture of…
A: The numerical is based on Raoult's Law Relative lowering of vapour pressure = mole fraction of…
Q: 9. 3 μL of a 45 mM stock solution of a substrate is added to 8 mL of water. Calculate the following…
A: The objective of this question is to calculate various parameters related to a solution of a…
Q: Consider the titration of a 23.0-mL sample of 0.110 M HC2H3O3 (Ka=1.8\times 10−5) with 0.120 M…
A: volume of base required to reach equivalence point = (0.110 M x 23 ml)/0.120 M = 21.1ml of NaOH pH…
Q: How many grams is one mole of potassium chloride KCI?
A: Moles : unit of concentration Mole concept is used to convert mass and number of particles. 1 mole…
Q: 0.47 absorbance/ 4713.6 mol/L = In scientific notation please & 0.57 abosorbance/4713.6 mol/L=
A: Beer-Lambert law states a linear relationship between concentration and absorbance. When…
Q: The concentration of a certain sodium hydroxide solution was determined by using the solution to…
A: Given: KHP is an acid with 1 acidic hydrogen Mass of KHP =0.3520 g Molar mass of KHP =204.22 g/mol…
Q: Provided Stock solution of Coomassie Blue: 0.500 mg/mL Volume of 0.500 mg/ml Solution Dilution to ID…
A: For calculating volume and concentration, we should follow the formula V1S1 = V2S2where, V1 =…
Q: Determine the pH for the following solutions. {H3O+}=2.4x10^-2 M
A: p in pH denotes negative of the logarithm(-log). So pH is negative logarithm of molarity of H pH…
Q: How many grams of NaOH are needed to make 50 mL of a 0.02 g/mL NaOH solution? How many grams of…
A: Given Values: 1. Volume of NaOH needs to be prepared = 50 ml Concentration of NaOH need to be…
Q: The prescriber ordered oxacillin 500mg IM q6h. The instructions on the 2g vial state to…
A: The nurses administer the drugs to the patient, and thus it is very much necessary for the nurses to…
Q: How many grams of NaOH would you need to make 3,982 mL of a 3 M NAOH solution (m.w. = 40.00 g/mol)?…
A: By the concept of molarity, we can determine the concentration of a solution. It is the total number…
Q: A chemist is performing a precipitation titration on a 1.00 L sample containing an unknown…
A: Titration is the process, in which the exact concentration of the unknown solution can be used to…
Q: How many grams of NaOH would you need to make 7,252 mL of a 230 mM NaOH solution (m.w. = 40.00…
A: Answer- Here molarity of the solution is provided and requires the amount of weight of NaoH.
Q: The main constituents in vinegar are water and ethanoic acid (CH3COOH). In order to determine the…
A: You have asked question with parts. I will be answering the first three parts. a) You should take…
Q: 50X TBE is 87 mM Tris-borate and 4 mM EDTA at pH 8.3. What is the molarity of each of the chemicals…
A: Given In 50X TBE 87 mM tris-borate 4 mM EDTA pH 8.3
Q: A 500 mL sample of a 0.100 M formate buffer, pH 3.75, is treated with 5 mL of 1.00 M KOH. What is…
A: The buffer solution consists of an acid and a salt of the conjugate base of the acid in a solution.…
Q: 200 microliters of a standard solution of 0.200 mg/mL caffeine was mixed with 4.8 mL of 50 mM sodium…
A: Equation of dilution: M1 × V1 = M2 × V2where:M1 is the molar concentration of the stock solution.M2…
Q: The pH of a 0.0082 M solution of HNO₃ is
A: The pH of solution is a measure of the molar concentration of hydrogen ions in the solution and as…
Q: Calculate the pH of a buffer that contains 0.15 M MOPS anionic form and 0.25M MOPS zwitterion. The…
A: The zwitterion is the form of amino acid which has net charge of zero. The Henderson-Hasselbalch…
Q: Determine the mass of baking soda (84 g/mol) needed to completely react with 531mL of vinegar.…
A: Acid and base react to produce salt and water. In some reactions, gas may also be released (hydrogen…
Q: How many mL of 0.254 M NaOH are needed to fully react with 37.50 mL of 0.358 M H2SO4?
A: Concentration of the NaOH = 0.254 M Conc. of H2SO4 solution = 0.358 M or conc. of [H+]=2×0.358 M…
Q: How much water would need to be added to 736 mL of a 3.15 M HCl solution to make a 0.78 M solution?
A:
Q: A buffer solution contains an equal concentration of weak acid HX and its conjugate base ion X™. The…
A: The objective of the question is to calculate the pH of a buffer solution containing equal…
Q: sample of adenosine triphosphate (AI nm) is placed cuvette with sufficient buffer to give a total…
A:
Q: The glass electrode used in commercial pH meters gives an electrical response proportional to the…
A: A buffer solution is a watery arrangement comprising of a combination of a frail acid and its…
Q: How do you make a stock solution of 1000 ppm using a solution which Has a density of 0.842 g/mL?
A: Introduction : To prepare a stock solution of 1000ppm using a solution with a density of 0.842g/𝑚L,…
Step by step
Solved in 3 steps
- What mass in grams of dextrose and sodium chloride are required to prepare 250 mL of D10 NS electrolyte?Consider the titration of 30.0 mL of 0.0700 M HONH2 (a weak base; Kb = 1.10e-08) with 0.100 M HI. Calculate the pH after the following volumes of titrant have been added: (a) 0.0 mLpH = (b) 5.3 mLpH = (c) 10.5 mLpH = (d) 15.8 mLpH = (e) 21.0 mLpH = (f) 27.3 mLpH =Two solutions, 250.0 mL of 1.00 M CaCl2(aq) and 250.0 mL of 1.00 M K2SO4(aq), are combined, and the temperature decreased by 2.40 degrees C. Determine qrxn per mole of CaSO4(s) formed in the reaction. A) +12.0 kJ/mol B) -12.0 kJ/mol C) +6.00 kJ/mol D) -6.00 kJ/mol
- What is the final concentration if 239mL of a 3.9M glucose solution is diluted to a volume of 842mL?A 100.0 mL sample of 0.200 M aqueous hydrochloric acid is added to 100.0 ml of 0.200 M aqueous ammonia in a calorimeter whose heat capacity (excluding any water) is 480.0 J/K. The following reaction occurs when the two solutions are mixed. HCl(aq)+NH,(aq)—NH_Cl(aq) The temperature increase is 2.34 °C. Calculate AH per mole of HCI and NH, reacted. Select one: о a. -1.96 KJ/mol b. 154 KJ/mol O c. 485 KJ/mol d. 1.96 KJ/mol Jm e. -154 J/molAt what pressure in atm does ethane (C₂H₆) have a density of 37.2 g/L at 75.0 °C?
- Describe the preparation of 2.00 L of 0.100 M glycine buffer, pH 9.0, from glycine and 1.00 M NAOH. What mass of glycine is required, and what volume of 1.00 NaOH is required? The appropriate pK, of glycine is 9.6.If an unknown solution of cobalt (II) chloride has an absorbance of 0.79, what is its concentration? Include proper units, please How did you determine this using the Beer’s Law plot?How many grams of potassium chlorate decompose to potassium chloride and 660. mL of O2 at 128. °C and 726. torr? Round your answer to 3 significant figures. 2KCIO3(s) 2KCI(s) + 302(g) Note: Reference the Conversion factors for non-SI units and Fundamental constants tables for additional information. g × G
- A 25.00 mL sample of 0.320 M LIOH is titrated with 0.750 M HNO3 at 25 °C. Calculate the initial pH before any titrant is added. pH = Calculate the pH of the solution after 5.00 mL of the titrant is added. pH =Given a BSA stock solution of 4mg/mL how would you prepare a 5 mL sample with a final concentration of 1 mg/mL?1