要配制溶质质量分数为16%的氯化钠溶液50g,需要氯化钠的质量为 ______g.
配制16%的氯化钠溶液50g需要氯化钠的质量=50g×16%=8g
故答案为:8.
Though the doctor __________ his patient to give up smoking, yet he wasn't able to __________ him to do so.[ ]
A. adviced, persuade
B. advised, persuade
C. adviced, suggest
D. advisied, suggest
颅内压增高的三主症是()
A.头痛、呕吐、颈硬
B.头痛、呕吐、视盘水肿
C.头痛、呕吐、偏瘫
D.头痛、呕吐、抽搐发作
E.昏迷、高热、抽搐发作