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![[Post New]](/templates/default/images/icon_minipost_new.gif) 15 May 2008 11:26:19 IST
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No.of O atoms in 1 mole=13XNa No.of atoms in 0.2 mole=(1/5)(13)(6X1023)=(78/5)X1023=1.56X1024
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MAKING A MISTAKE IS HUMAN BUT REPEATING IT IS IDIOTIC. |
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