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A solution has a concentration of 0.1 M NaCl. How many grams of NaCl are present

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Question: A solution has a concentration of 0.1 M NaCl. How many grams of NaCl are present in 1 liter of this solution? (Molar mass of NaCl = 58.5 g/mol)

Options:

  1. 5.85 g
  2. 58.5 g
  3. 0.1 g
  4. 0.585 g

Correct Answer: 58.5 g

Solution: 

Mass = moles x molar mass = 0.1 moles x 58.5 g/mol = 5.85 g.

A solution has a concentration of 0.1 M NaCl. How many grams of NaCl are present

Practice Questions

Q1
A solution has a concentration of 0.1 M NaCl. How many grams of NaCl are present in 1 liter of this solution? (Molar mass of NaCl = 58.5 g/mol)
  1. 5.85 g
  2. 58.5 g
  3. 0.1 g
  4. 0.585 g

Questions & Step-by-Step Solutions

A solution has a concentration of 0.1 M NaCl. How many grams of NaCl are present in 1 liter of this solution? (Molar mass of NaCl = 58.5 g/mol)
  • Step 1: Understand that the concentration of the solution is 0.1 M, which means there are 0.1 moles of NaCl in 1 liter of solution.
  • Step 2: Know the molar mass of NaCl is 58.5 g/mol. This means 1 mole of NaCl weighs 58.5 grams.
  • Step 3: Calculate the mass of NaCl in grams using the formula: Mass = moles x molar mass.
  • Step 4: Substitute the values into the formula: Mass = 0.1 moles x 58.5 g/mol.
  • Step 5: Perform the multiplication: 0.1 x 58.5 = 5.85 grams.
  • Step 6: Conclude that there are 5.85 grams of NaCl in 1 liter of the solution.
  • Molarity – Molarity (M) is a measure of concentration defined as the number of moles of solute per liter of solution.
  • Molar Mass – Molar mass is the mass of one mole of a substance, typically expressed in grams per mole.
  • Mass Calculation – The mass of a solute in a solution can be calculated by multiplying the number of moles by the molar mass.
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