How to find molecular mass of sodium sulphate?
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Sodium sulphate - Na2SO4
Atomic mass of sodium(Na)=23u, sulphur(S)=32u, oxygen(O)=16u.
Molecular mass = 2×23u+1×32u+4×16u
= 46u+32u+64u
= 142u
Molecular mass of sodium sulphate is 142u.
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