Let's calculate the weight percent H in the water in this glass.

Atomic Mass: H = 1.0 amu   O = 16.0 amu

1. There are 2.0 grams of H in 1 mole of H2O.

2. The gram-molecular weight of H2O is 18.0 grams

3. What is the weight % H in H2O?

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%


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