O Chemical ReactionsDetermining the volume of base needed to titrate a given mass of acid0/5BA chemistry student weighs out 0.0245 g of hypochlorous acid (HCIO) into a 250. mL volumetric flask and dilutes to the mark with distilled water. He plans totitrate the acid with 0.1300 M NaOH solution.Calculate the volume of NaOH solution the student will need to add to reach the equivalence point. Round your answer to 3 significant digits.AmLX5

Answered: O Chemical Reactions Determining the…

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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= 1 = 2 = 3 4 7 = 8 10 = 11 12 A chemistry student weighs out 0.106 g of sulfurous acid (H,So,), a diprotic acid, into a 250. mL volumetric flask and dilutes to the mark with distilled water. He plans to titrate the acid with 0.1100 M NaOH solution. Calculate the volume of NaOH solution the student will need to add to reach the final equivalence point. Round your answer to 3 significant digits. I ml Continue Submit A © 2022 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center e to search 2 74°F Mostly clear
Calculate the molar mass of the unknown acid. Be sure your answer has the correct number of significant digits.
12. You take 5.00 mL of your 1.0 M sodium chloride solution and add the unknown concentration of silver (I) nitrate solution with a burette until no additional solid silver (I) chloride is produced. You determine that 33.15 mL of the unknown silver (I) nitrate and 5.00 mL of the 1.0 M sodium chloride solution makes 0.715 grams of silver (I) chloride. Use this information to determine the concentration of your unknown solution.
A chemist needs to determine the concentration of a sulfuric acid solution by titration with a standard sodium hydroxide solution. He has a 0.1886 M0.1886 M standard sodium hydroxide solution. He takes a 25.00 mL25.00 mL sample of the original acid solution and dilutes it to 250.0 mL.250.0 mL. Then, he takes a 10.00 mL10.00 mL sample of the dilute acid solution and titrates it with the standard solution. The endpoint was reached after the addition of 12.42 mL12.42 mL of the standard solution. What is the concentration of the original sulfuric acid solution?
Calculate the molar mass of the unknown acid. Be sure your answer has the correct number of significant digits.
A chemistry student weighs out 0.379 g of citric acid (H,C,H,O,), a triprotic acid, into a 250. mL volumetric flask and dilutes to the mark with distilled water. He plans to titrate the acid with 0.2000 M NaOH solution. Calculate the volume of NaOH solution the student will need to add to reach the final equivalence point. Be sure your answer has the correct number of significant digits.
A science teacher needs to determine the concentration of an old, unmarked bottle of hydrochloric acid. She prepares a base titrant by dissolving 40.0 g of potassium hydroxide in 500.0 mL of water. The base is pipetted into a 28.00 mL sample of the acid, which also contains phenolphthalein as an indicator. The solution turns from clear to pink after the addition of 7.34 mL of base. What is the concentration of the hydrochloric acid?
A student begins a titration experiment by filling her first buret with unknown acid to the 1.12 mL level. She fills her second buret with base, NaOH, and records an initial volume of 0.08 mL. At the end of the titration experiment and after the pale pink endpoint is obtained, she records her final volume of acid in the buret as 18.85 mL, and the final volume of base in the second buret as 28.74 mL. In the first blank below, please indicate the volume of acid used in her experiment. In the second blank, please indicate the volume of base used. For both answers, please report your answer WITH the correct number of significant figures or decimal places, and WITHOUT a unit. Question 1 options: ___________ answer #1 ___________answer #2
You have 559 ml of 3.29 M HCl. Using a volumetric pipet, you take 297 ml of that solution and dilute it to 612 ml in a volumetric flask. Now you take 100.00 ml of that solution and dilute it to 176 ml in a volumetric flask. What is the concentration of hydrochloric acid in the final solution?
An analytical chemist weighs out 0.159 g of an unknown monoprotic acid into a 250 mL volumetric flask and dilutes to the mark titrates this solution with 0.0700 M NaOH solution. When the titration reaches the equivalence point, the chemist finds she has added 25.2 mL of NaOH solution. Calculate the molar mass of the unknown acid. Round your answer to 3 significant digits. mol
Calculate the molar mass of the unknown acid. Be sure your answer has the correct number of significant digits.
A quantity of 19.68 mL of a KOH solution is needed to neutralize 0.3528 g of the monoprotic, weak acid KHP. What is the concentration (in molarity) of the KOH solution? (The molar mass of KHP is 204.21). Round your answer mol 4 significant digits.

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