Na2CO3 + Ba(OH)2 = BaCO3 ↓ + 2NaOH
106 171 197 80
x 100g*17.1% y zx=10.6g y=19.7g z=8.0g
(1)50克该药品中碳酸钠的质量=10.6g
(2)滤出沉淀后溶液中溶质质量=50-10.6+8.0g=47.3g
溶液质量=50+200+100-19.7g=330.3g
滤出沉淀后所得溶液中溶质的质量分数=47.3/330.3=14.32%
Na2CO3 + Ba(OH)2 = BaCO3 ↓ + 2NaOH
106 171 197 80
x 100g*17.1% y zx=10.6g y=19.7g z=8.0g
(1)50克该药品中碳酸钠的质量=10.6g
(2)滤出沉淀后溶液中溶质质量=50-10.6+8.0g=47.3g
溶液质量=50+200+100-19.7g=330.3g
滤出沉淀后所得溶液中溶质的质量分数=47.3/330.3=14.32%