Question

How many moles of 72gm of water? a)4 moles b)2 moles c)1 mole d)3 moles
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Answer 1

Answer:

a(4)

Explanation:

18gm water=1mole

72gm warer=?mole

=(1×72)/18

=4moles

so,

Answer is (a) 4Moles