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Introduction to Hydrogen

Calculate the...

Question

Calculate the gram molecular mass of water from the values of gram atomic mass of hydrogen and of oxygen.
Gram atomic mass of hydrogen = 1 g.
Gram atomic mass of oxygen = 16 g.

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Solution

Gram atomic mass of hydrogen = 1g.
Gram atomic mass of oxygen = 16 g.
Fromula of water is $H_{2} O$ .
It contains 2 H and 1 O.
Gram atomic mass of water = $2 \times 1 + 16$ = 18g.

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