дано
m(ppa CH3COOH) = 75 g
W(CH3COOH) = 0.7
+NaOH
m(CH3COONa)-?
m(CH3COOH) = 75 * 0.7 = 52.5 g
CH3COOH+NaOH-->CH3COONa+H2O
M(CH3COOH) = 60 g/mol
n(CH3COOH) = m/M = 52.5 / 60 = 0.875 mol
n(CH3COOH) = n(CH3COONa) = 0.875 mol
M(CH3COONa) = 82 g/mol
m(CH3COONa) = n*M = 0.875 * 82 = 71.75 g
ответ 71.75 г
Объяснение:
дано
m(ppa CH3COOH) = 75 g
W(CH3COOH) = 0.7
+NaOH
m(CH3COONa)-?
m(CH3COOH) = 75 * 0.7 = 52.5 g
CH3COOH+NaOH-->CH3COONa+H2O
M(CH3COOH) = 60 g/mol
n(CH3COOH) = m/M = 52.5 / 60 = 0.875 mol
n(CH3COOH) = n(CH3COONa) = 0.875 mol
M(CH3COONa) = 82 g/mol
m(CH3COONa) = n*M = 0.875 * 82 = 71.75 g
ответ 71.75 г
Объяснение: