Question

H=1 O=16) How many moles of water molecules are there in 90 g of water kept in a bottle? *
1 point
18
90
5
1​

Answer 1

Explanation:

the moles =90/18=5 the answer of this question is 5

Answer 2

Number of moles=mass/molar mass

≡90/18⋅

=5mol

Explanation:

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