Science, asked by kaustubhbagale10, 8 months ago

The weight of 1 x 1022 molecules of MgSO4.7H2O is​

Answers

Answered by Vinayyadav80
0

Answer:

Molar mass of CuSO

4

⋅5H

2

O=63.5+32+4×16+5×18=249.5 g/mol

Thus, 249.5 g of CuSO

4

⋅5H

2

O contains avogadro's number of molecules.

The weight of 1×10

22

molecules of CuSO

4

⋅5H

2

O is

6.023×10

23

249.5

×10

22

=4.14 g.

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