Question

Calculate the relative molecular mass of each of the following:
(i)Ammonium hydroxide [NH4Cl]
(ii)Copper Sulphate [CuSO4 ]
[ H=1,N=14,O=16, Cu=64,S=32, Cl=35.5].

Answer 1

Answer:

[NH4Cl]=14+4×1+35.5

=14+4+35.5

= 53.5

[CuSO4]=64+32+4×16

=64+32+64

=120