Title: Dilutions Equation: Practice Quiz #4A (required)
Course: BTEC-1100-301-302-303-F21 > Section: Module 1 - Calculations and Measurements

Q: You have a 2x stock. How many mL of stock do you need to make 500 mL of 1x?
- 250
- 2500
- 25
A: 250
If right: Correct!
If wrong: That is incorrect. Divide the final volume by the dilution factor.

Q: You have a 50 g/L stock. How many mL of stock do you need to make 100 mL of a 10 g/L solution?
- 20
- 200
- 2
A: 20
If right: Correct!
If wrong: That is incorrect. Divide the final volume by the dilution factor.

Q: You have a 5x stock. How many mL of stock do you need to make 500 mL of 1x?
- 100
- 1000
- 10
A: 100
If right: Correct!
If wrong: That is incorrect. Divide the final volume by the dilution factor.

Q: You have a 20x stock. How many mL of stock do you need to make 500 mL of 1x?
- 25
- 250
- 2.5
A: 25
If right: Correct!
If wrong: That is incorrect. Divide the final volume by the dilution factor.