发布时间:2019-08-07 21:57:06
先 NaOH+HCl=H2O+NaCl 40 36.5 23+35.5 100g*60% xg yg (1) 40/(100g*60%)=36.5/xg x=-----g HCl%=-----g/100g (2)NaCl%=yg/200g