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A sample of hydrated calcium sulfate has a mass of 20.88 g. After it is heated, it has a mass of 16.51 g. What is the percentage by mass of water in the hydrate
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A sample of hydrated calcium sulfate has a mass of 20.88 g. After it is heated, it has a mass of 16.51 g. What is the percentage by mass of water in the hydrate

User Thomas Rushton
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20.9%



[only 20 chars]

User Hnh
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Mass of water = 20.88 - 16.51
Mass of water = 4.37 g

Percentage water in hydrate = 4.37 / 20.88 x 100
Percentage water inn hydrate = 20.9%
User NiThDi
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