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ответ:это все что я могу сделать извини
2.Некорректное условие.
Угольная кислота это раствор, значит с объемом кислоты должна быть массовая доля и плотность.
Если речь идет про массу угольной кислоты и масса ее 140 г
то вот вам решение
H2CO3 = CO2+H2O
1. Находим n(угольной кислоты)
M(H2CO3 )= 62г/моль
n(H2CO3) = m(H2CO3)/M(H2CO3 ) = 140 /62= 2,26моль
по уравнению на 1 моль H2CO3 приходится CO2
значит, если взять2,26мольH2CO3 то n(CO2) = 2,26моль
2. V(CO2) = n(CO2)* Vm
Vm = 22.4 дм4/моль.
V(CO2) = 2,26моль*22.4 дм4/моль = 50,6дм3
Объяснение: