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The weight of 1×1022 molecules of CuSO4⋅5H2O is

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a

41.59 g

b

4.159 g

c

415.9 g

d

None of these

answer is B.

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Detailed Solution

Molecular weight of CuSO4⋅5H2O=63.5+32+64+90= 249.56×1023 molecules has weight =249.5g1×1022 molecules has weight =249.5×1×10226×1023=41.58×10−1=4.158.

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