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10-11-2014
Chemistry

Answered

How many molecules are present in the following quantity
0.250 mole of H2O

Answer :

13-11-2014

If 1mole ------------- is ---------------- 6.02*10²³
than 0.25mole ----- is ---------------- x

x = [0.25mole*6.02*10²³]/1mole = 1,505*10²³

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