A student conducts an experiment using an unknown hydrate and obtains the following data Crucible 24.31g Crucible + hydrate 29.31g Crucible + anhydrate 28.26g Further experimentation demonstrates the anhydrate is composed of 29.44% magnesium, 23.55% sulfur and 47.01% oxygen by mass. A. Determine the mass of hydrate, anhydrate

World of Chemistry, 3rd edition
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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 21A
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A student conducts an experiment using an unknown hydrate and obtains the following data

Crucible 24.31g
Crucible + hydrate 29.31g
Crucible + anhydrate 28.26g

Further experimentation demonstrates the anhydrate is composed of 29.44% magnesium, 23.55% sulfur and 47.01% oxygen by mass.

A. Determine the mass of hydrate, anhydrate and water found in the sample.

B. Determine the emperical formula for the anhydrate.

C. Determine the formula for the hydrate.

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