Ответ:
дано
m(HCL) = 20 g
m(Na2CO3) = 50 g
------------------
V(CO2) - ?
M(HCL) = 36.5 g/mol
n(HCL) = m(HCL) / M(HCL) = 20 / 36.5 = 0.548 mol
M(Na2CO3) = 106 g/mol
n(Na2CO3) = m(Na2CO3) / M(Na2CO3) = 50 / 106 = 0.472 mol
n(HCL) > n(Na2CO3)
n(Na2CO3) - в недостатке
2HCL + Na2CO3-->2NaCL+H2O+CO2↑
n(Na2CO3) = n(CO2)
n(CO2) = 0.472 mol
V(CO2) = n(CO2) * Vm = 0.472 * 22.4 = 10.573 L
ответ 10.573 л
Объяснение:
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Answers & Comments
Ответ:
дано
m(HCL) = 20 g
m(Na2CO3) = 50 g
------------------
V(CO2) - ?
M(HCL) = 36.5 g/mol
n(HCL) = m(HCL) / M(HCL) = 20 / 36.5 = 0.548 mol
M(Na2CO3) = 106 g/mol
n(Na2CO3) = m(Na2CO3) / M(Na2CO3) = 50 / 106 = 0.472 mol
n(HCL) > n(Na2CO3)
n(Na2CO3) - в недостатке
2HCL + Na2CO3-->2NaCL+H2O+CO2↑
n(Na2CO3) = n(CO2)
n(CO2) = 0.472 mol
V(CO2) = n(CO2) * Vm = 0.472 * 22.4 = 10.573 L
ответ 10.573 л
Объяснение: