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DrREFILWE
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DrREFILWE
Answers (2)
number of oxygen atoms=number of moles(Avogadro's constant)=0.02moles( 6.02*10^23) =1.22............... you know
MASS OF OXYGEN IN 23.5g of H2SO4=2(M of oxygen)/M of H2SO4 =2(16g/mol)/2(1)+32.07+4(16) =32/98.07 =0.33 grams n=m/M n=0.32g/16 g/mol n=0.02 moles
