Question

Find out the molecular mass of H2O. Number of GMM present in 90g of water

is.......H=1;o=16​

Answer 1

Explanation:

molecular mass =sum of atomic masses

=molecular mass of H×2 +molecular mass of O

=2 +16 =18 u

Answer 2

Answer:

molecular mass of H2O is 18 grams...

Explanation:

H=1, H2=2×1=2

O=16

2+16=18

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