дано
m(Zn) = 6.5 g
V(H2) - ?
m(ZnCL2) - ?
Zn+2HCL-->ZnCL2+H2
M(Zn) = 65 g/mol
n(Zn) = m/M = 6.5 / 65 = 0.1 mol
n(Zn) = n(H2) = 0.1 mol
V(H2) = n*Vm = 0.1*22.4 = 2.24 L
n(Zn) = n(ZnCL2) = 0.1 mol
M(ZnCL2) = 136 g/mol
m(ZnCL2) = n*M = 0.1*136 = 13.6 g
ответ 2.24 л, 13.6 г
Объяснение:
дано
m(Zn) = 6.5 g
V(H2) - ?
m(ZnCL2) - ?
Zn+2HCL-->ZnCL2+H2
M(Zn) = 65 g/mol
n(Zn) = m/M = 6.5 / 65 = 0.1 mol
n(Zn) = n(H2) = 0.1 mol
V(H2) = n*Vm = 0.1*22.4 = 2.24 L
n(Zn) = n(ZnCL2) = 0.1 mol
M(ZnCL2) = 136 g/mol
m(ZnCL2) = n*M = 0.1*136 = 13.6 g
ответ 2.24 л, 13.6 г
Объяснение: