2.3.1 - Mass Percentage (w/w)
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Practice Questions
Test your understanding with targeted questions
Calculate the mass percentage of 20g of solute in a solution of 80g.
💡 Hint: Remember to sum the masses of solute and solvent.
What is the mass percentage of a solution with 15g of solute in 85g of solvent?
💡 Hint: Use the mass percentage formula.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the formula for calculating mass percentage?
💡 Hint: Think about how you find the percentage of any part in a whole.
True or False: Mass percentage can help in determining concentrations in cooking.
💡 Hint: Consider where exact measurements are crucial.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
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.
💡 Hint: Sum the masses correctly before applying the formula.
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?
💡 Hint: Remember to include all parts when calculating total mass.
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