精密称取氯化钠0.1250g,用0.1011mol/L的硝酸银滴定至终点,消耗21.02ml[已知1ml硝酸银滴定液(0.1mol/L)相当于NaC15.844mg],则氯化钠的百分含量为()
A.99.95% B.99.35% C.100% D.98.35% E.99.99%正确答案B
精密称取氯化钠0.1250g,用0.1011mol/L的硝酸银滴定至终点,消耗21.02ml[已知1ml硝酸银滴定液(0.1mol/L)相当于NaC15.844mg],则氯化钠的百分含量为()
A.99.95% B.99.35% C.100% D.98.35% E.99.99%正确答案B