What mass in unit of gram of solid NaHCO3 (molar mass = 84.00 g/mol) should be added to 1.00 L of 0.16 M H2CO3 to make a buffer with a pH of 6.85? (pKa1 of H2CO3 = 6.36) Please keep your answer with two decimal places.

What mass in unit of gram of solid NaHCO3 (molar mass = 84.00 g/mol) should be added to 1.00 L of 0.16 M H2CO3 to make a buffer with a pH of 6.85? (pKa1 of H2CO3 = 6.36) Please keep your answer with two decimal places.

Chemical Principles in the Laboratory

11th Edition

ISBN:9781305264434

Author:Emil Slowinski, Wayne C. Wolsey, Robert Rossi

Publisher:Emil Slowinski, Wayne C. Wolsey, Robert Rossi

Chapter25: Ph Measurements-buffers And Their Properties

Section: Chapter Questions

Problem 5ASA

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Concept explainers

Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.

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What mass in unit of gram of solid NaHCO3 (molar mass = 84.00 g/mol) should be added to 1.00 L of 0.16 M H2CO3 to make a buffer with a pH of 6.85?
(pKa1 of H2CO3 = 6.36)
Please keep your answer with two decimal places.

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