дано
V(CO2) = 4.48 L
m(CO2)-?
N(CO2)-?
W(O2)-?
n(CO2) = V(CO2) / Vm = 4.48 / 22.4 = 0.2 mol
M(CO2) = 44 g/mol
m(CO2) = n*M= 0.2*44 = 8.8 g
N(CO2) = n(CO2) * N(A) =0.2 * 6.02*10²³ = 1.204*10²³
W(O2) = 32 / 44 *100% = 72.73%
ответ 8.8 г, 1.204*10²³молекул и атомов, 72.73%
дано
V(CO2) = 4.48 L
m(CO2)-?
N(CO2)-?
W(O2)-?
n(CO2) = V(CO2) / Vm = 4.48 / 22.4 = 0.2 mol
M(CO2) = 44 g/mol
m(CO2) = n*M= 0.2*44 = 8.8 g
N(CO2) = n(CO2) * N(A) =0.2 * 6.02*10²³ = 1.204*10²³
W(O2) = 32 / 44 *100% = 72.73%
ответ 8.8 г, 1.204*10²³молекул и атомов, 72.73%