A solution contains 0.140 mol KCl in 2.100 L water. What is the concentration of KCl in g/L?

~0.0667 g/L

~0.294 g/L

~4.95 g/L

Question

Adele

Chemistry

5 November, 17:26

A solution contains 0.140 mol KCl in 2.100 L water. What is the concentration of KCl in g/L?

~0.0667 g/L

~0.294 g/L

~4.95 g/L

+2

Answers (1)

Know the Answer?

Brie · Answer 1

Answer;

≈ 4.95 g/L

Explanation;

The molar mass of KCl = 74.5 g/mole

Therefore; 0.140 moles will be equivalent to;

= 0.140 moles * 74.5 g/mole

= 10.43 g

Concentration in g/L

= mass in g/volume in L

= 10.43/2.1

= 4.9667

≈ 4.95 g/L

A solution contains 0.140 mol KCl in 2.100 L water. What is the concentration of KCl in g/L?~0.0667 g/L~0.294 g/L~4.95 g/L

A solution contains 0.140 mol KCl in 2.100 L water. What is the concentration of KCl in g/L?

~0.0667 g/L

~0.294 g/L

~4.95 g/L