Essential Chemistry for IGCSE - Formulae And Equations (Section 5 - No. 16)
What is the molar mass of water (H2O)? (Assume atomic masses: H=1, O=16)
16 g/mol
17 g/mol
18 g/mol
32 g/mol
Explanation
The molar mass of water is 2(1) + 16 = 18 g/mol.
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