дано
m(Al2O3) = 52 g/mol
m(AlCL3) - ?
Al2O3+6HCL-->2AlCL3+3H2O
M(Al2O3) = 102 g/mol
n(Al2O3) = m/M = 52 / 102 = 0.51 mol
n(Al2O3) = 2n(AlCL3)
n(AlCL3) = 2*0.51 / 1 = 1.02 mol
M(AlCL3) = 133.5 g/mol
m(AlCL3) = n*M = 1.02 * 133.5 = 136.17 g
ответ 136.17 гр
Объяснение:
дано
m(Al2O3) = 52 g/mol
m(AlCL3) - ?
Al2O3+6HCL-->2AlCL3+3H2O
M(Al2O3) = 102 g/mol
n(Al2O3) = m/M = 52 / 102 = 0.51 mol
n(Al2O3) = 2n(AlCL3)
n(AlCL3) = 2*0.51 / 1 = 1.02 mol
M(AlCL3) = 133.5 g/mol
m(AlCL3) = n*M = 1.02 * 133.5 = 136.17 g
ответ 136.17 гр
Объяснение: