a,VddC2H5OH=23+27=50(ml)
Đr=\(\dfrac{23}{50}\).100=46o
b,mC2H5OH=23.0,8=18,4(g)
nC2H5OH=\(\dfrac{18,4}{46}\)=0,4(mol)
PTHH: 2C2H5OH + 2K ---> 2C2H5OK + H2
0,4-------------------------------------->0,2
=> VH2 = 0,2.24 = 4,8 (l
a,VddC2H5OH=23+27=50(ml)
Đr=2350.100=46ob, mC2H5OH=23.0,8=18,4(g)
nC2H5OH=18,446=0,4(mol)a,
VddC2H5OH=23+27=50(ml)Đr=2350.100=46ob,
mC2H5OH=23.0,8=18,4(g)
nC2H5OH=18,446=0,4(mol)
PTHH: 2C2H5OH + 2K ---> 2C2H5OK + H2
0,4-------------->0,2
=> VH2 = 0,2.24 = 4,8 (l)