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2 cards from this section. Quick, good the night before a test.
Calculate the mass by volume percentage for 8g of solute in 120mL of solution.
Use the formula: (mass of solute/volume of solution) x 100.
If you have a solution of 5g of salt in 50mL of water, what is the mass by volume percentage?
Remember, percentage means you need to multiply by 100.
What is the formula for calculating mass by volume percentage?
Remember it involves the mass of solute over the volume of the solution.
True or False: The mass by volume percentage is always less than 100%.
Think about what a percentage represents.
You have a solution prepared with 15g of solute in 300mL of water. If you evaporate 100mL of this solution, what will the new concentration be?
Focus on how evaporation affects both mass and volume.
If a chemist needs a 12% mass by volume solution and has 1000mL of solution, how much solute is required?
Use the mass by volume percentage formula in reverse.
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