A Compound Was Found to Be Soluble in Water

question 59

Multiple Choice

A compound was found to be soluble in water. It was also found that addition of acid to an aqueous solution of this compound resulted in the formation of carbon dioxide.Which one of the following cations would form a precipitate when added to an aqueous solution of this compound?

• A)NH₄⁺
• B)K⁺
• C)Cr³⁺
• D)Rb⁺
• E)Na⁺

---

Definitions:

Calculate

To determine or estimate a number or value after considering various factors or performing mathematical operations and equations.

Convert

To change something into a different form, function, or state.

Divisor

A number by which another number is to be divided.

Numerical Expression

A mathematical statement that includes numbers, operations, and sometimes variables, but does not contain an equality or inequality sign.