дано
m(NaOH) = 4 g
+HCL
m(NaCL)-?
m(H2O)-?
NaOH+HCL-->NaCL+H2O
M(NaOH) = 40 g/mol
n(NaOH) = m/M = 4 / 40 = 0.1 mol
n(NaOH) = n(NaCL) = n(H2O) = 0.1 mol
M(NaCL) = 58.5 g/mol
m(NaCL) = n*M = 0.1 * 58.5 = 5.85 g
M(H2O) = 18 g/mol
m(H2O) = n*M = 0.1 * 18 = 1.8 г
ответ 5.85 г , 1.8 г
Объяснение:
