If 0.5 moles of NaCl are dissolved in 1 liter of water, what is the molarity of

Practice Questions

Q1
If 0.5 moles of NaCl are dissolved in 1 liter of water, what is the molarity of the solution?
  1. 0.5 M
  2. 1 M
  3. 2 M
  4. 0.25 M

Questions & Step-by-Step Solutions

If 0.5 moles of NaCl are dissolved in 1 liter of water, what is the molarity of the solution?
Correct Answer: 0.5 M
  • Step 1: Identify the number of moles of the solute (NaCl) you have. In this case, it is 0.5 moles.
  • Step 2: Identify the volume of the solution in liters. Here, it is 1 liter of water.
  • Step 3: Use the formula for molarity, which is Molarity (M) = moles of solute / liters of solution.
  • Step 4: Plug in the values into the formula: M = 0.5 moles / 1 L.
  • Step 5: Calculate the result: 0.5 moles / 1 L = 0.5 M.
  • Step 6: Conclude that the molarity of the solution is 0.5 M.
  • Molarity – Molarity is a measure of concentration defined as the number of moles of solute per liter of solution.
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