What is the molarity of a solution containing 0.5 moles of solute dissolved in 2.5 liters of solution?
- A. 0.2 M ✓
- B. 0.7 M
- C. 0.5 M
- D. 1.25 M
Correct answer
A. 0.2 M
Explanation
Molarity = moles of solute ÷ liters of solution = 0.5 ÷ 2.5 = 0.2 M.
Related MCQs
- Which law states that at constant temperature; the pressure and volume of a gas are inversely proportional?
- In classical conditioning; what term describes a stimulus that triggers a response without prior learning?
- According to the central dogma of molecular biology; what is the correct order of information flow?
- Which law relates the pressure; volume; temperature; and moles of an ideal gas in a single equation?
- Which term describes an action potential's inability to be triggered again immediately after firing; regardles...
- A solution has a pH of 4. What is its hydrogen ion concentration [H+]?