NEET Chemistry Atomic & Molecular Mass MCQ Question
What is the mass of one mole of water molecules in grams, given that the Avogadro number is 6.022 × 10^23 molecules/mol?
18 grams
1 gram
6.022 grams
100 grams
Correct Answer
Detailed Explanation
The mass of one mole of a substance is equal to its molar mass. For water, H2O, the molar mass is approximately 18 g/mol, which is the mass of one mole of water molecules.
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