A solid hydrate weighing 2.682 grams was heated to drive off the water. A solid anhydrous residue...
Question:
A solid hydrate weighing 2.682 grams was heated to drive off the water. A solid anhydrous residue remained, which weighed 1.420 grams.
a. Calculate the percent of water in the hydrate.
b. If the anhydrous residue has a formula weight of 142, how many moles of water are present in one mole of the hydrate?
Hydrated Compound:
The hydrated compound contains a water molecule as the integral part of its molecular formula. For example, the formula for the hydrated copper sulfate is {eq}\rm CuSO_4\cdot 5H_2O {/eq}. It contains 5 molecules of water in its molecular formula.
Answer and Explanation: 1
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Hydrates: Determining the Chemical Formula From Empirical Data
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Chapter 9 / Lesson 8
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Learn the anhydrate definition and what a hydrated compound is. Understand what an anhydrate is, the hydrate formula, and how to find the formula of the hydrate.
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