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A student mixed 100.00 mL of Ba(OH)2(aq) (unknown molarity) with 500.00 mL of 0.0200 M NAOH(aq) in a conical flask to make up Solution A. He then transferred 25.00 mL of Solution A to a 250.00-mL volumetric flask and dded distilled water up to the calibration mark to make up Solution B. The concentration of the hydroxide ions in Solution B is 2.00 x 10-3 mol/L. Calculate the molarity of the original solution of Ba(OH)2.

A student mixed 100.00 mL of Ba(OH)2(aq) (unknown molarity) with 500.00 mL of 0.0200 M NAOH(aq) in a conical flask to make up Solution A. He then transferred 25.00 mL of Solution A to a 250.00-mL volumetric flask and dded distilled water up to the calibration mark to make up Solution B. The concentration of the hydroxide ions in Solution B is 2.00 x 10-3 mol/L. Calculate the molarity of the original solution of Ba(OH)2.

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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QUESTION 4 A student mixed 100.00 mL of Ba(OH)2(aq) (unknown molarity) with 500.00 mL of 0.0200 M NAOH(aq) in a conical flask to make up Solution A. He then transferred 25.00 mL of Solution A to a 250.00-mL volumetric flask and added distilled water up to the calibration mark to make up Solution B. The concentration of the hydroxide ions in Solution B is 2.00 x 10-3 mol/L. Calculate the molarity of the original solution of Ba(OH)2.
Transcribed Image Text:QUESTION 4 A student mixed 100.00 mL of Ba(OH)2(aq) (unknown molarity) with 500.00 mL of 0.0200 M NAOH(aq) in a conical flask to make up Solution A. He then transferred 25.00 mL of Solution A to a 250.00-mL volumetric flask and added distilled water up to the calibration mark to make up Solution B. The concentration of the hydroxide ions in Solution B is 2.00 x 10-3 mol/L. Calculate the molarity of the original solution of Ba(OH)2.
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