Ответ:
дано
mppa (H2SO4) = 50 g
W(H2SO4) = 9.8 %
------------------------
V(CO2) -?
m(H2SO4) = 50 * 9.8% / 100% = 4.9 g
H2SO4+BaCO3-->BaSO4+H2O+CO2
M(H2SO4) = 98 g/mol
n(H2SO4) = m/M = 4.9 / 98 = 0.05 mol
n(H2SO4) = n(CO2)
V(CO2) = n*Vm = 0.05 * 22.4 = 1.12 L
ответ 1.12 л
Объяснение:
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Verified answer
Ответ:
дано
mppa (H2SO4) = 50 g
W(H2SO4) = 9.8 %
------------------------
V(CO2) -?
m(H2SO4) = 50 * 9.8% / 100% = 4.9 g
H2SO4+BaCO3-->BaSO4+H2O+CO2
M(H2SO4) = 98 g/mol
n(H2SO4) = m/M = 4.9 / 98 = 0.05 mol
n(H2SO4) = n(CO2)
V(CO2) = n*Vm = 0.05 * 22.4 = 1.12 L
ответ 1.12 л
Объяснение: