m(H2O)=m(H2)+m(O2)=13.5+1.7=15.2(г)
ω(H2)=mэ-та*100%/mв-ва=1.7*100/15.2=11.18(%)
ω(O2)=mэ-та*100%/mв-ва=13.5*100/15.2=88.82(%)
ответ:ω(H2)=11.18%; ω(O2)=88.82%
m(H2O)=m(H2)+m(O2)=13.5+1.7=15.2(г)
ω(H2)=mэ-та*100%/mв-ва=1.7*100/15.2=11.18(%)
ω(O2)=mэ-та*100%/mв-ва=13.5*100/15.2=88.82(%)
ответ:ω(H2)=11.18%; ω(O2)=88.82%