Name: __________________________________________
Date: ____________
WKST #7: Measuring Concentration (40 points)
Period: ___________
Follow the procedure below to answer each of the long answer questions to receive full credit.
Write the formula
–
it’s alright to use abbreviations, just make sure they make sense!
Substitute the appropriate numbers
Solve the problem and include the appropriate units
Place a
BOX
around your answer so I can find it easily
1.
If I make a solution by adding water to 75.0 mL of isopropanol (rubbing alcohol) until the total
volume of the solution is 375 mL, what’s
the percent by volume of isopropanol in the solution?
2.
A solution is made by dissolving 55.0 g of potassium iodide in 300.0 g of water.
What is the percent
by mass of potassium iodide in the solution?
3.
A solution is comprised of 6.0 moles of salicylic acid and 25.0 moles of water.
What is the mole
fraction of salicylic acid in the solution?

This
** preview**
has intentionally

**sections.**

*blurred***to view the full version.**

*Sign up*