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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the mass percentage of a solution with 15 g of solute and 85 g of solvent?
💡 Hint: Use the formula: mass % = (mass of solute / total mass) × 100.
Question 2
Easy
If you have a solution of 12 g of sugar in 48 g of water, what is the mass percentage of sugar?
💡 Hint: Add the mass of sugar and the mass of water to find the total solution mass.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What does mass percentage refer to?
- The amount of solute
- The ratio of solute to solution mass
- The volume of solute
💡 Hint: Remember it as a ratio.
Question 2
Mass percentage is expressed in what form?
- True
- False
💡 Hint: Think about how percentages work.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A cleaning product contains 12% sodium hypochlorite by mass. If you have 250 g of this solution, how much sodium hypochlorite is in it?
💡 Hint: Consider the proportions involved.
Question 2
A 5% w/w potassium nitrate solution is prepared. If 100 g of water is added to 5 g of potassium nitrate, what would be the final mass percentage?
💡 Hint: Total mass is the key to updating the formula.
Challenge and get performance evaluation