(来学网)配制2%盐酸普鲁卡因滴眼剂100ml,为使其等渗,需加氯化钠的量是(已知1%盐酸普鲁卡因溶液的冰点降低为0.115,1%氯化钠溶液的冰点降低为0.58)
  • A.
    (来学网)0.35g
  • B.
    (来学网)0.46g
  • C.
    (来学网)0.50g
  • D.
    (来学网)0.81g
  • E.
    (来学网)0.93g
正确答案:
C