A Solution May Contain the Following Ions Ag⁺,Cu²⁺,Mn²⁺,Ca²⁺,and Na⁺

question 176

Multiple Choice

A solution may contain the following ions Ag⁺,Cu²⁺,Mn²⁺,Ca²⁺,and Na⁺.No precipitate formed when 0.10 M NaCl was added but a dark colored precipitate formed when H₂S was added to an acidic portion of the solution.After the removal of the solid the solution was made basic and more H₂S was added and a dark precipitate again formed.Treatment of the filtrate with (NH₄) ₂CO₃ resulted in a white precipitate.If no further tests were made then what conclusions can you draw?

• A)possible ions present Cu²⁺,Mn²⁺,Na⁺
• B)possible ions present Cu²⁺,Mn²⁺,Ca²⁺
• C)possible ions present Cu²⁺,Mn²⁺,Ca²⁺,Na⁺
• D)possible ions present Ag⁺,Cu²⁺,Mn²⁺,Ca²⁺,Na⁺

---

Definitions:

Debts Incurred

The financial obligations or liabilities accumulated over time by an individual, organization, or country as a result of borrowing money or obtaining goods and services.

Independence

The condition of a nation, country, or state which exercises self-government, and sovereignty, free from external control.

Ware v. Hylton

A 1796 U.S. Supreme Court case that determined that treaties made under the authority of the United States have precedence over state statutes.

Supreme Court

The Supreme Court is the highest federal court in the United States, having the ultimate judicial authority to interpret and decide upon constitutional issues, serving as a crucial arbiter in the American legal system.