Ответ:
дано
m(ppaK2SO3) = 158 g
W(K2SO3) = 10%
+HCL
-----------------------
V(SO2)-?
m(K2SO3)= 158 * 10% / 100% = 15.8 g
K2SO3+2HCL-->2KCL+H2O+SO2
M(K2SO3) = 158 g/mol
n(K2SO3) = m/M = 15.8 / 158 = 0.1 mol
n(K2SO3) = n(SO2) = 0.1 mol
V(SO2) = n*Vm = 0.1*22.4 = 2.24 L
ответ 2.24 л
Объяснение: