(来学网)在下列各种试剂中,哪项用作缓冲溶液()。
  • A.
    (来学网)HCL+NACL
  • B.
    (来学网)HC2H3O2+NAC2H3O2
  • C.
    (来学网)NAOH+NH4OH
  • D.
    (来学网)HCL+HC2H3O2
  • E.
    (来学网)NAOH+NACL