JEE Chemistry · Easy

Mole Concept and Stoichiometry: Molar Mass MCQ

Solve this quality-checked JEE multiple-choice question, then review the correct answer and explanation.

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Molar MassEasyQuestion 600002

Question

The molar mass of water (H₂O) is:
  1. A
    16 g/mol
  2. B
    18 g/mol
    Correct
  3. C
    20 g/mol
  4. D
    32 g/mol

Correct answer

18 g/mol

Explanation

M(H₂O) = 2×M(H) + M(O) = 2×1 + 16 = 18 g/mol.