STANDARDChemistry-Mole Concept

STANDARD Chemistry Molecular Formulas MCQ Question

Type: MCQ-conceptual-Medium

Which of the following formulae is not correctly depleted?

A

Molar mass = Mass of substance / Moles of substance

B

Mass of one molecule of a substance = Gram molecular mass of the substance / Avogadro's number

C

Number of molecules = Mass of the substance / Molar mass × Avogadro's no.

D

Number of moles × Molar mass = Number of molecules

Correct Answer

Option D

Detailed Explanation

The correct formula is: Number of molecules = Number of moles × Avogadro's number. Option D is incorrect.

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