Chemistry, 10.03.2020 18:55 pino40

Select the reagent that will separate the pairs of ions listed.

1. Ag+ and Al3+

2. Cu2+ and Ca2+

3. Mg2+ and K+

4. Ni2+ and Co2+

a) 6 M HCl

b) H2S, 0.2 M HCl

c) (NH4)2S, pH 8

d) (NH4)2 HPO4 in NH3

e) cannot be separated

Answers: 2

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Select the reagent that will separate the pairs of ions listed.

1. Ag+ and Al3+