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  • What is the molecular mass of water?
Multiple choice

What is the molecular mass of water?

  1. 34

  2. 33

  3. 20

  4. 18

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The chemical formula for water is H2O. The atomic mass of hydrogen is approximately 1 and oxygen is 16, so the molecular mass is (2 * 1) + 16 = 18.

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