Question

25. What is the total number of moles in 500 ml of a 3.0 M solution of

potassium iodide solution?
(1)1.0
(2) 1.5
(3) 3.0
(4) 3.5

Answer 1

I’m assuming this is asking for moles of KI. Multiply the molarity by L of solution.

3.0 M • 0.500 L = 1.5 moles

2) 1.5