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Worksheetsdilutions
Total questions: 10
Worksheet time: 52mins
How do we make a dilution?
Add more solute
Remove solute
Remove solvent
Add more solvent
As we dilute a solution.....
The volume increases and the molarity (M) increases
The volume increases and the molarity (M) decreases
The volume decreases and the molarity (M) increases
The volume decreases and the molarity (M) decreases
How many mL of stock solution of 2M NaCl do you need to prepare 100 mL of 0.150M NaCl?
7.5 mL
15 mL
1333 mL
200 mL
What volume, in milliliters, of 10.0 M NaOH is needed to prepare 300.0 mL of 2.00 M NaOH by dilution?
0.067 mL
60.0 mL
100 mL
125 mL
If I have 340.0 mL of a 0.500 M NaBr solution, what will the concentration be if I add 560.0 mL more water to it? (Remember to use the total new volume)
.188 M
3.78 M
.389 M
1.76 M
What is the molarity of a solution made by diluting 26.5 mL of 6.00M HNO3 to a volume of 250.0 mL?
15.9 M
0.636 M
0.642 M
1.59 M
80 mL of a 5M solution of hydrochloric acid is on hand, but you need to make some 0.1M solution. How many mL of 0.1M solution can you make?
You need 5,000 mL for your students' lab, will you be able to make enough?!?!
Yes
No
Match the following
term that describes the strength or concentration of a solution
molarity
adding solvent to make solution less concentrated
dilution
describes the ability for a substance to dissolve at a specific temperature
solubility
a substance that dissolves another substance
solvent
a substance that is being dissolved by another substance
solute
The higher the molarity, the ________ the solution
more concentrate
less concentrated
Which solution is more concentrated?
Solution 1:
500 mL of water
100 g of salt
Solution 2:
500 mL of water
90 g of salt
Solution 1
Solution 2
They have the same concentration
