DrREFILWE

This page lists questions and answers that were posted by visitors named DrREFILWE.

Questions

The following questions were asked by visitors named DrREFILWE.

Answers

The following answers were posted by visitors named DrREFILWE.

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
8 years ago
number of oxygen atoms=number of moles(Avogadro's constant)=0.02moles( 6.02*10^23) =1.22............... you know
8 years ago