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NotTim
 one year ago
A solid hydrate weighing 2.682 g was heated to drive off the water. a solid anhydrous residue remained, which weighed 1.420g. Calculate the % water in the hydrate.
NotTim
 one year ago
A solid hydrate weighing 2.682 g was heated to drive off the water. a solid anhydrous residue remained, which weighed 1.420g. Calculate the % water in the hydrate.

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chemENGINEER
 one year ago
Best ResponseYou've already chosen the best response.2Just do mass water/mass hydrate times 100. Where the mass of the water is the difference in the weight after heating. (2.6821.420)/2.682 X 100 to get to a percent.

chemENGINEER
 one year ago
Best ResponseYou've already chosen the best response.2so i got 47.05 percent water by mass
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