设反应后所得溶液中溶质的质量为x
HCl+NaOH=H20+NaCl
36.5 58.5
73 g×20% x
36.5/58.5=X×73 g×20%
x=23.4g
反应后所得溶液中溶质的质量分数为
23.4/( 73g +127g) ×100%=11.7%
设反应后所得溶液中溶质的质量为x
HCl+NaOH=H20+NaCl
36.5 58.5
73 g×20% x
36.5/58.5=X×73 g×20%
x=23.4g
反应后所得溶液中溶质的质量分数为
23.4/( 73g +127g) ×100%=11.7%