The objective of the question is to calculate the percent by mass of calcium carbonate.

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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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<Quiz 4 CH 4.4-4.6 and 20.1-20.2
Problem 4.90 - Enhanced - with Feedback
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Constants Per
A 1.268-g sample of limestone rock is pulverized and then
treated with 30.00 mL of 1.035 M HCl solution. The excess
acid then requires 11.56 mL of 1.010 M NaOH for
neutralization.
Part A
Calculate the percent by mass of calcium carbonate in the rock, assuming that it is the only substance reacting with the HCl solution.
Express your answer in percent to four significant figures.
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