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What is the molar mass of water (H2O)?
- A 18.02 g/mol
- B 3.14 g/mol
- C 6.02 x 10^23 g/mol
- D 1 g/mol
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The molar mass of water (H2O) is exactly 18.01528 g/mol, which is approximately 18.02 g/mol. It is calculated by adding up the atomic masses of its constituent elements.