Question

Calculate the moleculular masses (in amu) of the following compounds sulphur dioxide and caffeine

Answer 1

SO2=32+(2×16)= 64amu

C8H10N4O2=(8×12)+(10×1)+(4×14)+(2×16)

=16+10+56+32

=114amu

we can also put 1amu= 1.66×10^-27kg and get the actual molecular mass

Explanation:

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