碱性.
醋酸的物质的量是n=cV=0.1*0.1=0.01mol
NaOH的物质的量是n=cV=0.2*0.05=0.01mol
CH3COOH+NaOH=CH3COONa+H2O
1 1
0.01mol 0.01mol
从方程式上可以看出,醋酸与NaOH恰好完全中和,生成强碱弱酸盐CH3COONa,CH3COO-会水解生成OH-,导致溶液是碱性的.
CH3COO- +H2O=可逆=CH3COOH+OH-
碱性.
醋酸的物质的量是n=cV=0.1*0.1=0.01mol
NaOH的物质的量是n=cV=0.2*0.05=0.01mol
CH3COOH+NaOH=CH3COONa+H2O
1 1
0.01mol 0.01mol
从方程式上可以看出,醋酸与NaOH恰好完全中和,生成强碱弱酸盐CH3COONa,CH3COO-会水解生成OH-,导致溶液是碱性的.
CH3COO- +H2O=可逆=CH3COOH+OH-