A mineral was collected and weighed to be 15.001 g. The CrO4 content was determined by using 35.77 mL of a 0.9887 M HCl solution. Determine the %w/w of Cr2O3 content of the sample. Cr2O3 = 151.99 g/mol 2 Na2CrO4 + 2 HCl → Na2Cr2O7 + 2 NaCl + H2O
A mineral was collected and weighed to be 15.001 g. The CrO4 content was determined by using 35.77 mL of a 0.9887 M HCl solution. Determine the %w/w of Cr2O3 content of the sample. Cr2O3 = 151.99 g/mol 2 Na2CrO4 + 2 HCl → Na2Cr2O7 + 2 NaCl + H2O
Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter3: Mass Relations In Chemistry; Stoichiometry
Section: Chapter Questions
Problem 76QAP: Acetic acid (HC2H3O2) can be prepared by the action of the acetobacter organism on dilute solutions...
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A mineral was collected and weighed to be 15.001 g. The CrO4 content was determined by using 35.77 mL of a 0.9887 M HCl solution. Determine the %w/w of Cr2O3 content of the sample.
Cr2O3 = 151.99 g/mol
2 Na2CrO4 + 2 HCl → Na2Cr2O7 + 2 NaCl + H2O
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