Ответ учителя по предмету Химия
1. V(O2) = n*Vm = 5*22,4 = 112 л
2. V(H2) = n*Vm = 2,5*22,4 = 56 л
3. n(O2) = V/Vm = 0,224/22,4 = 0,01 моль
4. n(O2) = m/M = 8/32 = 0,25 моль, V(O2) = n*Vm = 0,25*22,4 = 5,6 л
5. n(CO2) = N/Na = 12*10^23/6,02*10^23 = 1,99 моль, V(CO2) = n*Vm = 1,99*22,4 = 44,6 л
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