In one experiment, 0.0995M HCl was used to analyze soda ash and the following data were obtained:        Mass of Na2CO3 0.2980 g Initial reading of HCl 0.20mL Final reading of HCl 20.00mL What is the percent Na2CO3 in the soda ash sample?

Q: 6. What is the molarity of H and the molarity of OH after the reaction of 75.0 mL of 0.350 M HCl and…

A: As per our guidelines, we are supposed to answer only one question. Kindly repost other question as…

Q: What quantity in moles of C₂H₅OH are there in 45.0 mL of 0.250 M C₂H₅OH?

A: Given, Molarity of C2H5OH solution = 0.250 M = 0.250 mol/L Note: 1000 mL = 1 L Volume of a solution…

Q: 0.0015 moles of NaoH was used to neutralize the acetic acid solution. Calculate the percent by mass…

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Q: ㅁ Question 9 1.5 pts A researcher wants to determine the concentration of beta-carotene in carrots.…

A: If we calculate all the Molarity of solution using M1V1=M2V2, then this will be the chart and the…

Q: 4) During a titration, 0.927 L of şulfuric acid, H2SO4, is used to neutralize 335.0 mL of 0.648 M…

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Q: If 30.0 mL of 0.150 M CaCl₂ is added to 16.0 mL of 0.100 M AgNO3, what is the mass of the AgCl…

A: The question is based on the concept of reaction stoichiometry.We need to calculate mass of…

Q: 2.5 g of NaOH were recovered after the 200 mL of a solution of NaOH completely evaporated.what was…

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Q: What volume (in L) of 1.5 M Na₂CO₃ would be required to obtain 0.90 moles of Na⁺ ions?

A: Dissociation of Na2CO3                                       Na2CO3  → 2Na++ CO3-2 From the above…

Q: A Chem 1225 student needed 28.5 mL of potassium hydroxide solution that she prepared to titrate…

A: Given, Note: formula of KHP (Potassium hydrogen phthalate: KHC8H4O4 mass of KHP = 0.294 g Volume of…

Q: What volume ( in mLs) of 6.0 M HCl is required to react with 10.0 g of K2CO3?

A: Solution stoichiometry involves the calculation of concentration of solutions in the given…

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A: Reactants:Cyclopentyl derivative:The structure includes a cyclopentyl ring with an ethyl…

Q: In the titration of 10.00 mL sample of vinegar solution with 0.550 M NAOH as titrant, the initial…

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Q: What mass (g) of potassium chloride is contained in 430.0 mL of a potassium chloride solution that…

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Q: A 25.0 mL of  a H2SO4 solution requires 38.2 mL of a 0.163 M NaOH solution for complete…

A: Balanced neutralization reaction is H2SO4  + 2NaOH ------> Na2SO4 + 2H2O

Q: what is the molarity of a solution when 30 g of naoh is mixed with 200 g of water? density of…

A: Molarity is one of the concentration terms that is defined as the number of moles of solute…

Q: 30.00 mL of nitric acid (HNO3) with an unknowne concentration was placed into an erlenmeyer fask,…

A: Acid base neutralization reaction involves formation of salt and water. Moles of base reacts with…

Q: A student has 510.0 mL of a 0.1345 M aqueous solution of CoCl2 to use in an experiment. She…

A: When cobalt chloride is left uncovered for a week, it evaporates most of the water and left behind…

Q: You are preparing a NAOH solution for use with an acid-base titration experiment. You weighed out…

A: Given ;-  Mass of NaOH = 1.321 g  Volume of solution = 246.9 mL  Molar mass of NaOH = 40.00 g/mol To…

Q: How many g of sodium ions are in 250 mL of 0.20 M NazSO4 solution? (Na2SO4: 156 g/mol , Na: 23…

A: first find the amount of Na2SO4 then find Fraction composition of Na in  Na2SO4 Then Multiply…

Q: A student was tasked to neutralize 25.8 mL solution of 0.379 M H2SO4 (98.079 g/mol) using 0.562 M…

A: Given-> Volume of H2SO4 = 25.8 ml  Molarity of H2SO4 = 0.379 M Molar mass of H2SO4 = 98.079…

Q: A single solution is prepared by mixing the following three solutions together: 12.35 mL of 0.1000…

A: When a solution is diluted by adding solvent or another solution, the final molarity of solution can…

Q: An impure sample of potassium hydrogen phthalate (KHP) was titrated to determine the percent…

A: We will use stoichiometry of the reaction to get the answer.

Q: You are given solutions of HCl and NaOH and must deter-mine their concentrations. You use 27.5 mL of…

A: As we have given H2SO4 of known concentration so with the help of this we need to standardize the…

Q: Two (2) grams of vinegar solution was given to you to analyze for the percent acetic acid present in…

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Q: What volume of 1.1M sulfuric acid H2SO4 is needed to contain 12.77g?

A: Answer:- This question is answered by using the simple concept of calculation of volume using the…

Q: Calculate the molarity of a solution made by dissolving  1.5g of Ba(OH)2 up to a total volume of…

A: Since you have posted multiple questions, we are entitled to answer the first only.

Q: 20.0 mL of 0.30 M Nickel Sulfate (NISO4) was mixed with 35 mL of 0.70 M NISO4, what is the final…

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Q: what are the materials for the preparation of 0.25 M Hydrochloric acid (HCl) solution using 3.86 mL…

A: We can solve this problem by recall the formula  of molarity Molarity = mole of solute/volume of…

Q: You dilute 35.00 mL of 1.12 M K₂SO₄ to a volume of 250.00 mL of pure water. What is the…

A: In chemistry, the term concentration is used to define the amount solute in given amount of…

Q: 2.3 g of HCl and 7.7 g of HClO4 are both dissolved in the same volume of water (a single volume of…

A: In the given question we have to find the total molarity of H+ ions in a solution containing both…

Q: What volume of 0.220 M HBr solution (in mL) is required to obtain 0.0600 moles of HBr? A) 3.67 L B)…

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Q: mass of lactic acid is

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Q: A 20.00 mL sample of vinegar was titrated with 1.00 M NaOH. If it took 15.00 mL of NaOH to reach the…

A: The volume of the vinegar sample = 20 ml The volume of the NaOH = 15.00 ml The concentration of NaOH…

Q: what volume of 0.250 M HCl is required to completely react with 0.350 g of NA2CO3 ? Na2CO3 + 2HCl…

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Q: A 2.5L sample of 6.1 M NaCl solution is diluted to 75L.  What is the molarity of the diluted…

A: During dilution, number of moles of substance remains same.  Dilution equation can be given as:…

Q: Gastric acid pH can range from 1 to 4, and most of the acid is HCl. For a sample of stomach acid…

A: Given data : Concentration of HCl = 1.77 x 10-2 M Volume of stomach acid = 11.7 mL = 0.0117 L We…

Q: 100.0 mL of HCl required 25.00 mL of 0.2000 M NaOH to reach the end point. What is the concentration…

A: If mole of any substance is known, then the mole of other substance can also be determined from the…

Q: If 30.4 g of C₂H₅OH (MM = 46.07 g/mol) are added to a 500.0 mL volumetric flask, and water is added…

A: Molar concentration = Number of moles of solute/Volume of solution (L) Number of moles of solute =…

Q: A metal alloy is made up of elements M and N. The mass of a sample of the metal is 114.5 g. Metal M…

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Q: Chemical Reactions = Calculating molarity using solute moles 0/5 Bis A chemist prepares a solution…

A: Approach to solving the question: Detailed explanation: Examples: Key references:

Q: n the titration of 10.00 mL sample of vinegar solution with 0.35 M NaOH as titrant, the initial…

A: The question is based on the quantitative analysis. we have to calculate percentage acid present in…

Q: What is the concentration of F— ions when 422.569 mg of MgF2 (62.3018 g/mol) completely dissociates…

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Q: A 300-mL solution of 3.0 M HCl is diluted to 2.0L. What is the final molarity?

A: Calculation of molarity of diluted HCl solution:  Provided data is as follows:  C1 = 3.0 M V1 = 300…