p=mp/mimp*100 => mp=p*mimp/100=98*25/100=24,5g KClO3
MKClO3=AK+ACl+3AO=39+35,5+3*16=122,5g/mol
MKCl=AK+ACl=39+35,5=74,5g/mol
n=m/M=24,5/122,5=0,2 moli KClO3
2KClO3 => 2KCl + 3O2
2 moli KClO3..................2*74,5g KCl
0,2 moli KClO3...................xg KCl
x=2*74,5*0,2/2=
2 moli KClO3.....................3 moli O2
0,2 moli KClO3.................x moli O2
x=3*0,2/2=