Answered: Add Na,SO,(aq) Add H,O

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Chemistry

Add Na,SO,(aq) Add H,O

World of Chemistry, 3rd edition

3rd Edition

ISBN:9781133109655

Author:Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCoste

Chapter2: Matter

Section: Chapter Questions

Problem 29A

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Question

You are presented with a white solid and told that due to
careless labeling it is not clear if the substance is barium
chloride, lead chloride, or zinc chloride. When you transfer
the solid to a beaker and add water, the solid dissolves to give
a clear solution. Next a Na₂SO₄(aq) solution is added and
a white precipitate forms. What is the identity of the unknown
white solid?

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