Question

4. Calculate the molar mass of Mohr's salt (Fe = 56, S = 32, N = 14, H = 1, 0 = 16)
Ans.​

Answer 1

Given - Weight of constituent atoms of Mohr's salt

Find - Molar mass of Mohr's salt.

Solution - Molar mass is calculated by the formula - Mass of substance/ number of moles.

Mohr's salt has molecular formula - (NH4)2Fe(SO4)2·6H2O.

Calculating molecular mass - (14+4)*2 + Calculating molecular mass - 56 + (32+4*16)*2.6(2+16)

Calculating molecular mass - 18*2 + 56 + 96*2 + 6*18

Calculating molecular mass - 36 + 56 + 192 + 108

Molar mass - 392

Hence, the molar mass of Mohr's salt is 392 g/mol.

Answer 2

Explanation:

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