A.0.01,0.1 B.0.02,0.2 C.0.1,0.01 D.0.2,0.02
A.HCl B.(1+1)HNO3-HClO4 C.(1+1)HCl-H3PO4 D.HClO4
A.(1+1)HNO3,24 B.濃HNO3,12 C.5%HNO3,24 D.濃HCl,12