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A 2.5 g sample of hydrate of Ca (NO(3))(...

A 2.5 g sample of hydrate of `Ca (NO_(3))_(2)` was heated and only 1. 7 g of anhydrous salt remained. What percentage of water was in the hydrate ?

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To find the percentage of water in the hydrate of calcium nitrate, we can follow these steps: ### Step 1: Determine the mass of water lost during heating We start with the mass of the hydrate and the mass of the anhydrous salt remaining after heating. - Mass of hydrate (Ca(NO₃)₂·xH₂O) = 2.5 g - Mass of anhydrous salt (Ca(NO₃)₂) = 1.7 g ...
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