3. Find the number of moles in
(a) 54 g of nitrogen oxide
(b) 28 g of carbon dioxide
(c) 36 g of water
(d) 46 g of ethyl alcohol
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Answer:
no.of moles= mass of substance/mass of one mole
1-- 54/30=1.8
2-28/44=0.636
3-36/18=2
4-46/46=1
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