0,1 x
2CH3COOH + Ca(OH)2 = Ca(CH3COO)2 + 2H2O
2 1
m(CH3COOH)=m(раствора)*w=30*0,2=6 gramm
n(CH3COOH)=m/M=6/60=0,1 moll
x=0,1*1/2=0,05 moll=n(Ca(OH)2)
m(Ca(OH)2)=n*M=0,05*74=3,7 gramm
Otvet: 3,7 gramm.
0,1 x
2CH3COOH + Ca(OH)2 = Ca(CH3COO)2 + 2H2O
2 1
m(CH3COOH)=m(раствора)*w=30*0,2=6 gramm
n(CH3COOH)=m/M=6/60=0,1 moll
x=0,1*1/2=0,05 moll=n(Ca(OH)2)
m(Ca(OH)2)=n*M=0,05*74=3,7 gramm
Otvet: 3,7 gramm.