Răspuns :
nC6H6=0,2moli
mC6H5-NO2=18,45 g
η=?
1mol 1mol
C6H6+HNO3=C6H5-NO2+H2O
o,2 mol x=0,2 mol
MC6H5-NO2=6*12+5+14+2*16=123
m=0.2*123g/mol=24,6 g
η=mp/mt*100=18,45/24,6*100=75 %
răspuns corect C
mC6H5-NO2=18,45 g
η=?
1mol 1mol
C6H6+HNO3=C6H5-NO2+H2O
o,2 mol x=0,2 mol
MC6H5-NO2=6*12+5+14+2*16=123
m=0.2*123g/mol=24,6 g
η=mp/mt*100=18,45/24,6*100=75 %
răspuns corect C
C6H6 + HO-NO2 => C6H5-NO2 + H2O
n C6H6 = n C6H5-NO2 = 0,2 moli
m C6H5-NO2 = 0,2*123 = 24,6g
n(eta) = mp/mt*100 = 18,45/24,6*100 = 75%
R: C
n C6H6 = n C6H5-NO2 = 0,2 moli
m C6H5-NO2 = 0,2*123 = 24,6g
n(eta) = mp/mt*100 = 18,45/24,6*100 = 75%
R: C