Question

how many moles are present in 20 ml of water​

Answer 1

Answer:

h20=1×2+16=18.................

Answer 2

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How many moles are present in 20 ml of water?

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Weight of 1 mole of water=H20=2+16=18g=18ml

So, we can say that 18 ml of water =1 mole

So, No. of moles in 20 ml

=$\frac{20}{18}$

=1.11mole