WorksheetsMetric Conversions and Dilutions Review
Total questions: 24
Worksheet time: 12mins
What does C1 stand for?
Initial Volume
Initial Concentration
Final Volume
Final Concentration
What does V1 stand for?
Initial Volume
Initial Concentration
Final Volume
Final Concentration
What does C2 stand for?
Initial Volume
Initial Concentration
Final Volume
Final Concentration
What does V2 stand for?
Final Volume
Final Concentration
Initial Volume
Initial Concentration
Which of the following is NOT a unit of volume?
meter
liter
milliliter
microliter
Which of the following is a unit of concentration (choose all that apply)?
dg/l
%
X
ppm
What does ppm stand for?
parts per milliliter
parts per million
parts per millisecond
parts per mitlitski
Which unit is largest unit of measure?
liter
deciliter
centiliter
kiloliter
Which is the smallest unit of measure?
kilogram
microgram
picogram
gram
What is C1 in the following problem:
You have a 10X Buffer solution. You want to make a 5L solution of 2X Buffer. How much 10X Buffer do you need to use?
10X
5L
2X
10L
What is C2 in this problem:
You have a 10X Buffer solution. You want to make a 6L solution of 3X Buffer. How much 10X Buffer do you need to use?
10X
6L
3X
10L
What is V1 in this problem:
You have 5L of a 10X Buffer solution. How much 4X Buffer can you make?
5L
10X
4X
4L
What is V2 in this problem:
You have a 10X Buffer solution. You want to make a 9L solution of 6X Buffer. How much 10X Buffer do you need to use?
10X
9L
6X
10L
You have a 10X Buffer solution. You want to make a 10L solution of 7X Buffer. How much 10X Buffer do you need to use?
10L
7ml
10ml
7L
In the following problem, how much water would you need to add to create your final solution?
You have a 10X Buffer solution. You want to make a 10L solution of 7X Buffer. How much 10X Buffer do you need to use?
7L
3X
3ml
3L
What number goes on the arrow in this serial dilution (how much is transferred between tubes)?
3-step 10% serial dilution (dilute by 1/10 at each step) starting with a 50 mg/ml stock solution and using a total volume of 10 ml at each step.
1L
10ml
5ml
1ml
How much water should be in each tube?
3-step 25% serial dilution (dilute by 1/4 at each step) starting with a 50 mg/ml stock solution and using a total volume of 5 ml at each step
1.25 ml
3.75 ml
5 ml
2.5 ml
What will the concentration of the 1st dilution be ?
3-step 50% serial dilution (dilute by ½ at each step) starting with a 50 mg/ml stock solution and using a total volume of 10 ml at each step
0.25 mg/ml
25 mg/ml
5 mg/ml
0.5 mg/ml
5L = ? kL
5000 kL
50 kL
0.05 kL
0.005 kL
1 g = ? cg
0.1 cg
0.01 cg
10 cg
100 cg
5.4 ul (microliters) = ? kl
5400000000 kl
0.000000054 kl
0.0000000054 kl
0.00000054 kl
67 mm = ? cm
670 cm
6.7 cm
0.67 cm
67.0 cm
What is the correct definition of dilution?
adding a solute to a solution to reduce the concentration of solvent
adding a solvent to a solution to increase the concentration of the solute
adding a solvent to a solution to reduce the concentration of the solute
Which of the following is NOT a metric unit?
mile
milliliter
kilogram
meter
