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Calculate mass of water present in 499gm...

Calculate mass of water present in `499gm CuSO_(4).5H_(2)O` ?
(Atomic mass `-Cu = 63.5, S = 32,O = 16, H =1)` .

Text Solution

Verified by Experts

Molar mas of `CuSO_(4).5H_(2)O = 249.5`
moles of `CuSO_(4).5H_(2)O = (499)/(249.5) = 2`
Each mole `CuSO_(4).5H_(2)O` has `5mol H_(2)O`
`2` mole `CuSO_(4).5H_(2)O` has `10 mol H_(2)O`
Mass of `10mol H_(2)O = 10 xx 18 = 180 gm` .
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