3. Problem Solving
Mixture Problems — Quiz
Test your understanding of mixture problems with 5 practice questions.
Practice Questions
Question 1
A chemist has a solution that is 25% salt. If he wants to dilute it to a 10% salt solution, how much water must be added to 200 mL of the original solution?
Question 2
A mixture contains 60% sugar. If 500 grams of this mixture is made, how much sugar is present in the mixture?
Question 3
If a solution contains 15% acid and you have 200 mL of it, how much acid is in the solution?
Question 4
A solution is made by mixing 300 mL of a 10% saline solution with 700 mL of a 20% saline solution. What is the concentration of the final mixture?
Question 5
A farmer has a feed mixture that is 25% protein. If he wants to create a new mixture that is 15% protein by adding more feed, how much feed must he add to 200 kg of the original mixture?