The molar mass of $H_{2}$ O is?

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18.01528 g/mol

19.01528 g/mol

20.01528 g/mol

21.01528 g/mol

answer is A.

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Detailed Solution

The molar mass of

H_{2}

O is 18.01528 g/mol
The atomic weights of oxygen and hydrogen are 16 g/mol and 1 g/mol respectively.
Calculate the molar mass of water
2(1)+16=18g/mol.
In more accurate, The molar mass of

H_{2}

O is 18.01528 g/mol .

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