convert into mole : (i) 22gm of carbondi-oxide ( Atomic mass of carbon and oxygen are 12 and 16 respectively).
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carbon-dioxide -co2 molecular mass - 12+16×2=44 now no of moles = given mass /molecular mass =22/44=1/2 ans
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molecular mass of co2.....44
given wt....22
so mole....wt/molwt
is...22/44-1/2
given wt....22
so mole....wt/molwt
is...22/44-1/2
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