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Calculate the relative molecular masses ...

Calculate the relative molecular masses (or molecular weights) of the following compounds: Ammonium sulphate, `(NH_4)_2SO_4`
Given that the relative atomic masses (in amu) of Cu = 63.5, S = 32, O = 16, N= 14 and C = 12

Text Solution

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The relative molecular mass of `(NH_4)_2SO_4`
=`N_2H_8SO_4`
=14 x 2 + 1 x 8 + 32 + 16 x 4
= 28 + 8 +32 + 64 = 132 amu
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