Question

calculate molar mass of water (H=1,O=16)​

Answer 1

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Molar mass of H2O = 1×2 + 16 = 18

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Answer 2

as we know there are 2 hydrogen atoms and 1 oxygen

so, h=1×2+o=16

2 + 16

=18.

therefore molar mass is 18g/mol