chemistry student weighs out 0.160g of sulfurous acid H2SO3, a diprotic acid, into a 250.mL volumetric flask and dilutes to the mark with distilled water. He plans to titrate the acid with 0.1600M 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 digi
chemistry student weighs out 0.160g of sulfurous acid H2SO3, a diprotic acid, into a 250.mL volumetric flask and dilutes to the mark with distilled water. He plans to titrate the acid with 0.1600M 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 digi
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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A chemistry student weighs out 0.160g of sulfurous acid H2SO3, a diprotic acid, into a 250.mL volumetric flask and dilutes to the mark with distilled water. He plans to titrate the acid with 0.1600M 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.
Expert Solution
Step 1
The balanced chemical equation for the reaction between H2SO3 and NaOH is:
H2SO3 + 2 NaOH → Na2SO3 + 2 H2O
From the equation, we can see that one mole of H2SO3 reacts with two moles of NaOH. Therefore, the number of moles of NaOH required to react with 0.160 g of H2SO3 can be calculated as:
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