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Chemistry, 09.10.2019 12:00 idcatall5

Asample of hydrated calcium sulfate has a mass of 2.643 g. after dehydration, the sample has a mass of 2.090 g. what is the percent by mass of water in the hydrate?
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a sample of hydrated iron (ii) chloride has a mass of 0.385 g. after dehydration, the sample has a mass of 0.245 g. what is the percent by mass of water in the hydrate?

%
a sample of hydrated magnesium chromate has a mass of 8.557 g. after dehydration, the sample has a mass of 5.211 g. what is the percent by mass of water in the hydrate?
%

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Asample of hydrated calcium sulfate has a mass of 2.643 g. after dehydration, the sample has a mass...
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