дано
m(ppa CH3CH2COOH) = 200 кg
W(CH3CH2COOH) = 18,5%
m(C2H5OH)-?
m(CH3CH2COOH) = 200 * 18.5 % / 100% = 37 кg
CH3CH2COOH+C2H5OH-->CH3CH2COOC2H5+H2O
M(CH3CH2COOH) = 74 кg/кmol
M(C2H5OH) =46 кg/кmol
m(C2H5OH)= 37 * 46 / 74 = 23 кg
ответ 23 кг
Объяснение:
дано
m(ppa CH3CH2COOH) = 200 кg
W(CH3CH2COOH) = 18,5%
m(C2H5OH)-?
m(CH3CH2COOH) = 200 * 18.5 % / 100% = 37 кg
CH3CH2COOH+C2H5OH-->CH3CH2COOC2H5+H2O
M(CH3CH2COOH) = 74 кg/кmol
M(C2H5OH) =46 кg/кmol
m(C2H5OH)= 37 * 46 / 74 = 23 кg
ответ 23 кг
Объяснение: