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write the formula unit mass of 

[a] CUSO4

[b] 5H2O

Asked by Garima 10th February 2018, 6:27 PM
Answered by Expert
Answer:
1) CuSO4 
Mass no. of Cu = 63.54
mass no. of S = 32
mass no. of O = 16
 
CuSO4 = (63.54) + 32 + (4 X 16)
           = 159.54
 
2) 5H2O
mass of O = 16
mass of H = 1
 
5H2O = 5 [( 1 X 2 ) + 16]
         =  5 X 18
         = 90
Answered by Expert 10th February 2018, 7:41 PM
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