Question

How
many
molecules
water
are there in
36g water​

Answer 1

Explanation:

If we have one mole of water, then we know that it will have a mass of 2 grams (for 2 moles of H atoms) + 16 grams (for one mole O atom) = 18 grams. Since we only have 0.001 grams, that means that we have NA * (0.001/18) = 3.35*1019 molecules of water!

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Answer 2

Answer:

2(6.022 x 10²³)

Explanation:

As there are 2 moles of water in 36g of water, then no. of molecules will be 2 times the Avogadro number