Răspuns :
n1 moli CxH(2x+2)O + 2[O] ⇒ CxH2xO2 + H2O
n2 moli CxH(2x+2)O netr.
CxH(2x+2)O + CxH2xO2 ⇒ C2xH4xO2 + H2O
n1 + n2 = 10 n1 = 0,4 ·10 = 4 moli n2 = 6moli
M alc. = 14x + 18 Mac. = 14x + 32
14x + 32 = 130,43/100 ·(14x + 18)
7x + 16 = 1,3043(7x+9) 2,13x = 4,26 x = 2 etanol ; acid acetic
alcool + acid ⇄ ester + apa
initial : 6 moli 4 moli
au reactionat : x x
la echilibru : (6-x) (4-x) x x
4 - x = 1 x = 3
la echilibru : 3 1 3 3
Kc = x²/[(6-x)(4-x)] = 9/3 = 3
n2 moli CxH(2x+2)O netr.
CxH(2x+2)O + CxH2xO2 ⇒ C2xH4xO2 + H2O
n1 + n2 = 10 n1 = 0,4 ·10 = 4 moli n2 = 6moli
M alc. = 14x + 18 Mac. = 14x + 32
14x + 32 = 130,43/100 ·(14x + 18)
7x + 16 = 1,3043(7x+9) 2,13x = 4,26 x = 2 etanol ; acid acetic
alcool + acid ⇄ ester + apa
initial : 6 moli 4 moli
au reactionat : x x
la echilibru : (6-x) (4-x) x x
4 - x = 1 x = 3
la echilibru : 3 1 3 3
Kc = x²/[(6-x)(4-x)] = 9/3 = 3