数据不合常理,按36.5g盐酸计算
1、n(NaOH) = n(HCl) = 36.5 * 20% / 36.5 = 0.2mol
m(NaOH) = 0.2 * 40 = 8g
m(NaCl) = 10 - 8 = 2g
2、NaCl质量分数:0.2 * 58.5 / (10 + 20 + 36.5) = 17.6%
数据不合常理,按36.5g盐酸计算
1、n(NaOH) = n(HCl) = 36.5 * 20% / 36.5 = 0.2mol
m(NaOH) = 0.2 * 40 = 8g
m(NaCl) = 10 - 8 = 2g
2、NaCl质量分数:0.2 * 58.5 / (10 + 20 + 36.5) = 17.6%