Question

calculate the number of moles present in 36 grams of H2O (At mass H=1, O=16)
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Answer 1

Answer:

2

Explanation:

no of moles are given mass divided by molar mass so

moles = 36/18

so no of moles = 2

Answer 2

Answer:

the number of moles present in H2O is 2 moles