3. First-Order Equations II
Mixing Problems — Quiz
Test your understanding of mixing problems with 5 practice questions.
Practice Questions
Question 1
In a mixing problem, what does the concentration of the solute describe?
Question 2
A tank contains $20$ liters of solution with $3$ grams of salt per liter. How much salt is in the tank initially?
Question 3
Brine enters a tank at $4$ liters per minute and leaves at $2$ liters per minute. By how much does the volume change each minute?
Question 4
A tank receives $5$ liters per minute of brine with concentration $2$ grams per liter. What is the salt entering rate?
Question 5
A tank contains $100$ liters of well-mixed solution with $50$ grams of salt. What is the salt concentration in the tank?