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question mark

The molecular mass of CuSO4​.5H2​O is:
(ATOMIC MASS OF CU = 63.5, H = 1, O = 16, S = 32)
A
233.5 gm/mole
B
249.5 gm/mole
C
251.5 gm/mole
D
247.5 gm/mole

Shamit Jain , 5 Years ago
Grade 8
anser 1 Answers
Omveer Singh

Last Activity: 5 Years ago

Molecular mass of a compound is the sum of atomic masses of each element present in the molecule. 

Molecular mass = atomic mass of Cu + atomic mass of S + (9 × atomic mass of O) + (10 × atomic mass of H) =63.5+32+9×16+10×1=249.5 gm/mole
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