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For individual solutions of the cations Ag^+ Ba^2+ Mg^2+ and Cu^2+, the followin

ID: 530104 • Letter: F

Question

For individual solutions of the cations Ag^+ Ba^2+ Mg^2+ and Cu^2+, the following experimental observations were collected: Example: When an aqueous solution of hydrochloric acid is added to a solution containing Ag^+ .a white precipitate (ppt) forms. From these experimental observations, identify a reagent that distinguishes the chemical properties of Ag^+ and Mg^2+. What is the distinguishing observation? identify a reagent that distinguishes the chemical properties of HCI and H_2SO_4. What is the distinguishing observation? identify a reagent that distinguishes the chemical properties of Ba^2+ and Cu^2+. What is the distinguishing observation? identify a reagent that distinguishes the chemical properties of Cu^2+ and Mg^2+ What is the distinguishing observation?

Explanation / Answer

a) NH3 and HCl both will distinguish the given ions

b) AgNO3 and BaCl2 are the reagents that distinguish the HCl and H2SO4.

c) NH3 and H2SO4 both can distinguish the Ba2+ and Cu2+

d) NH3 can form different colored solutions with given ions.