Chemistry, asked by sursin6511, 1 year ago

How many moles of water are present in 90g of water?

Answers

Answered by AnnyM

5

No. Of miles = given mass / molar mass
= 90 / 18 = 5 moles

We got 18 as molar mass of H2O
H × 2 + O = 2 + 16 = 18

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