1、(100*20%+20)/(100+20)=33.33%
100*20%/(100+20)=16.67%
2、V*1.84*98%=560*14%
解得:V=43.48mL
加水:560-43.48*1.84=480g
3、40/(100+40)=28.57%
1、(100*20%+20)/(100+20)=33.33%
100*20%/(100+20)=16.67%
2、V*1.84*98%=560*14%
解得:V=43.48mL
加水:560-43.48*1.84=480g
3、40/(100+40)=28.57%