Question

question 5.2.3 there are two solutions, each containing cations of only one of the following metals: potassium, strontium, copper, or sodium. based on the flame test below, which metal cation is in each solution?

Explanation:

Step1: Recall flame - test colors

Potassium gives a lilac - purple flame, strontium gives a red flame, copper gives a green - blue flame, and sodium gives a bright yellow flame.

Step2: Match colors to solutions

The first solution with a lilac - purple flame contains potassium cations. The second solution with a red flame contains strontium cations.

Answer:

First solution: Potassium cations
Second solution: Strontium cations