200ML=0.2L 300ML=0.3L
N(NaOH)=0.2L*0.5mol/l+0.3L*1mol/l=0.4mol
V(溶液)=0.2L+0.3L=0.5L;
c(NaOH)=0.4MOL/0.5L=0.8MOL/L
(200*0.5+300*1.0)/(200+300)=0.8
(把单位补上) (把ML化成L计算更科学,结果一样的)
200ML=0.2L 300ML=0.3L
N(NaOH)=0.2L*0.5mol/l+0.3L*1mol/l=0.4mol
V(溶液)=0.2L+0.3L=0.5L;
c(NaOH)=0.4MOL/0.5L=0.8MOL/L
(200*0.5+300*1.0)/(200+300)=0.8
(把单位补上) (把ML化成L计算更科学,结果一样的)