A.4
B.2
C.5
D.3

A.1
B.2
C.4
D.3

A.Cu2+, Mg2+, Pb2+.
B.Pb2+, Ag+, Al3+.
C.Cu2+, Ag+, Na+.
D.Fe2+, Pb2+, Cu2+.

A.240 ml.
B.320 ml.
C.160 ml.
D.120 ml.

A.0,04M.
B.0,03M.
C.0,02M.
D.0,015M.

A.45,38%.
B.54,62%.
C.50%.
D.66,67%.

A.4
B.3
C.1
D.2

A.111,84 gam.
B.7,456 gam.
C.22,368 gam.
D.24,576 gam.

A.2
B.3
C.4
D.5

A.
B.
C.
D.