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5g unknown sodium carbonate titrated with HCl. Two endpoints observed. TITRATION: 20mL of the diluted solution (5g sodium carbonate + 250 water) + 10mL of water were used for the titration (TOTAL VOLUME 30 mL) CO32- + H+ -> HCO3- HCO3- + H+ -> H2O + CO2 First endpoint 45.00mL HCl Second end point 65.00mL HCl FIND: alkalinity of CO32- & HCO3- wt% of CO32- & HCO3-

5g unknown sodium carbonate titrated with HCl. Two endpoints observed. TITRATION: 20mL of the diluted solution (5g sodium carbonate + 250 water) + 10mL of water were used for the titration (TOTAL VOLUME 30 mL) CO32- + H+ -> HCO3- HCO3- + H+ -> H2O + CO2 First endpoint 45.00mL HCl Second end point 65.00mL HCl FIND: alkalinity of CO32- & HCO3- wt% of CO32- & HCO3-

Chemistry
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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5g unknown sodium carbonate titrated with HCl. Two endpoints observed.

TITRATION: 20mL of the diluted solution (5g sodium carbonate + 250 water) + 10mL of water were used for the titration (TOTAL VOLUME 30 mL)

CO32- + H+ -> HCO3-

HCO3- + H+ -> H2O + CO2

First endpoint 45.00mL HCl

Second end point 65.00mL HCl

FIND:

alkalinity of CO32- & HCO3-

wt% of CO32- & HCO3-

PLEASE SHOW ALL WORK

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