the number of molecules in 27g of water​

Answers 2

Answer:

H20 mass27

Molecular weight 18

Explanation:

Mole =mass/weight

=27/18

1.5 mol

Molecules=nNa

1.5×6.023×10^23

=9×10^23

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Gram Molecular weight of H20 is 18 gTo calculate the number of molecules in 27g if water , first calculate the number of moles i.e; 27/18 = 1.5 molesNow to calculate the number of molecules we multiply it with the avagadro’s number providing us with the value= 1.5 * 6.022*10^239.033*10^23 molecules

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