Question

500 mL of a glucose solution contains 6.02 × 1022 molecules. The concentration of the solution is

• A. 0.1 M
• B. 1.0 M
• C. 0.2 M
• D. 2.0 M

Answer 1

Answer: (C)

0.2 M

Answer 2

(3)

Molarity $= \frac{6.02 \times 10^{22}}{6.02 \times 10^{23}} \times \frac{1}{1/2} = 0.2$