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A solution contains 25% salt. If 10 liters of the solution is taken, how much sa

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Question: A solution contains 25% salt. If 10 liters of the solution is taken, how much salt is in it?

Options:

  1. 2.5 kg
  2. 3 kg
  3. 2 kg
  4. 4 kg

Correct Answer: 2.5 kg

Solution: 

Salt = 25% of 10L = 2.5 kg.

A solution contains 25% salt. If 10 liters of the solution is taken, how much sa

Practice Questions

Q1
A solution contains 25% salt. If 10 liters of the solution is taken, how much salt is in it?
  1. 2.5 kg
  2. 3 kg
  3. 2 kg
  4. 4 kg

Questions & Step-by-Step Solutions

A solution contains 25% salt. If 10 liters of the solution is taken, how much salt is in it?
  • Step 1: Understand that 25% means 25 out of every 100 parts.
  • Step 2: We have 10 liters of solution.
  • Step 3: To find out how much salt is in 10 liters, we need to calculate 25% of 10 liters.
  • Step 4: Convert 25% to a decimal by dividing 25 by 100, which gives us 0.25.
  • Step 5: Multiply 0.25 by 10 liters to find the amount of salt: 0.25 * 10 = 2.5 liters.
  • Step 6: Since the density of salt is approximately 1 kg/L, 2.5 liters of salt is about 2.5 kg.
  • Percentage Calculation – Understanding how to calculate a percentage of a given quantity.
  • Volume to Mass Conversion – Recognizing that the density of the solution is assumed to be 1 kg/L for this calculation.
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