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Illusion [34]
3 years ago
9

Consider the hydrate FeSO4 • 7H2O.

Chemistry
2 answers:
DochEvi [55]3 years ago
7 0
The molar mass of the hydrate is 278.06
The molar mass of the anhydrous salt is 151.92
The molar mass of water in the hydrate is 126.14
mr_godi [17]3 years ago
7 0

Answer: The molar mass of the hydrate FeSO_4.7H_2O is 278g. The molar mass of the anhydrous salt  FeSO_4 is 152 g. The molar mass of the water in the hydrate is H_2O is 126g.

Explanation: Molar mass of Fe = 56 g

Molar mass of of S = 32 g

Molar mass of O = 16 g

Molar mass of H = 1 g

Molar mass of  FeSO_4•7H_2O=1\times \text{molar mass of Fe}+1\times \text{molar mass of S}+11\times \text{molar mass of O}+14\times \text{molar mass of H}

Molar mass of  FeSO_4•7H_2O=1\times 56+1\times 32+11\times 16+14\times 1=278g

Molar mass of  FeSO_4=1\times \text{molar mass of Fe}+1\times \text{molar mass of S}+4\times \text{molar mass of O}

Molar mass of  FeSO_4=1\times 56+1\times 32+4\times 16=152g

Molar mass of  7H_2O=14\times \text{molar mass of H}+7\times \text{molar mass of O}

Molar mass of  7H_2O=14\times 1+7\times 16=126g


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