If 10 grams of NaCl is dissolved in 500 mL of water, what is the concentration i

Practice Questions

Q1
If 10 grams of NaCl is dissolved in 500 mL of water, what is the concentration in g/L? (2020)
  1. 20 g/L
  2. 10 g/L
  3. 5 g/L
  4. 15 g/L

Questions & Step-by-Step Solutions

If 10 grams of NaCl is dissolved in 500 mL of water, what is the concentration in g/L? (2020)
  • Step 1: Understand that concentration is the amount of solute (NaCl) divided by the volume of solvent (water).
  • Step 2: Identify the amount of NaCl, which is 10 grams.
  • Step 3: Convert the volume of water from milliliters to liters. Since 500 mL is equal to 0.5 L, we will use 0.5 L.
  • Step 4: Use the formula for concentration: Concentration = (amount of solute in grams) / (volume of solution in liters).
  • Step 5: Plug in the values: Concentration = (10 g) / (0.5 L).
  • Step 6: Calculate the concentration: 10 g divided by 0.5 L equals 20 g/L.
  • Concentration Calculation – Understanding how to calculate concentration by dividing the mass of solute by the volume of solvent in liters.
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