2Al+6HCl=2AlCl3+3H2
m(HCl)=0,13*115+0,09*215=34,3г
34,3/(6*36,5)=Х/(3*22,4)
V(H2)=10,5л
m(H2)=(10,5/22,4)*2=0,94г
N(H2)=(10,5/22,4)*6*10^23=2,82*10^23молекул
<span>ω(N) в NH3 = M(N)/M(NH3) = 14/18*100% = 77.8%
</span><span>ω(S) в H2SO4 = M(S)/M(H2SO4) = 32/98*100% = 32.65%
</span><span>ω(C) в CO2 = M(C)/M(CO2) = 12/44*100% = 27.3 %
</span><span>ω(Na) в NaOH = M(Na)/(NaOH) = 23/40*100% = 57.5%</span>