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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Calculate the mass percentage of 20g of solute in a solution of 80g.
๐ก Hint: Remember to sum the masses of solute and solvent.
Question 2
Easy
What is the mass percentage of a solution with 15g of solute in 85g of solvent?
๐ก Hint: Use the mass percentage formula.
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 is the formula for calculating mass percentage?
๐ก Hint: Think about how you find the percentage of any part in a whole.
Question 2
True or False: Mass percentage can help in determining concentrations in cooking.
- True
- False
๐ก Hint: Consider where exact measurements are crucial.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A chemist prepares a solution by dissolving 200g of potassium chloride in 800g of water. Calculate the mass percentage of potassium chloride in this solution.
๐ก Hint: Sum the masses correctly before applying the formula.
Question 2
In a precipitation reaction, a scientist collects 50g of lead(II) nitrate dissolved in 450g of water. What is the mass percentage of lead(II) nitrate in the solution?
๐ก Hint: Remember to include all parts when calculating total mass.
Challenge and get performance evaluation