Question

The molar mass of F.A.S. is-----
a. 392 u
b. 392 g/mol

c. 39.2 u
d. 39.2 g/mol​

Answer 1

☆☆ANSWER ☆☆

(b) 392g/mol is the correct option.

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Answer 2

Option (d) The molar mass of F.A.S. is 392.14 g/mol.

Explanation:

• The molar mass of a chemical compound is the total mass of a sample of any compound which is divided by the amount of substance for that sample.
• It is also defined as the mass in grams of one mole of substances.
• It is measured in moles.
• The molar mass is not the molecular property of a substance.

• The valence factor of mohr's salt is 1.
• Molecular mass=valence factor × equivalent mass
• equivalent mass= 392
• Molecular mass =1 × 392  gm/mol
• Molar mass s having the unit kg/mol or gm/mol