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Question

The formula mass of the complex CuSO4.5H2O in grams is y×1022.
Value of y is .
(given average atomic mass of Cu = 63.5 u)


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Solution

The atomic mass of (Cu) = 63.5 u, (S) = 32 u, (O) = 16 u and (H) = 1 u
So, the molecular mass of the complex CuSO4.5H2O
=249.56.022×1023 g=4.14×1022 g
Hence y=4.14


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