# Chemistry

After 0.6523 g of is heated, the residue has a mass of 0.3423 g. Calculate the % H2O in the hydrate.

1. 8
1. grams water in the sample is
0.6523-0.3423 = ??
%H2O = [mass water/mass sample] x 100 = ??

posted by DrBob222

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