Reference no: EM132787679

1. How much K2PO4 do you need for 1000ml of a 0.2M solution? How much for 200ml? How many milligrams is that for each solution?

2. An HCL solution is 2M. What is its Normality?

3. A KOH solution if 4 M. What is its normality?

4. How many grams of NaCl do you need for 1000mL of a 3M solution? How much for a 3mM solution?

5. To make 1L of 1N NaOH from a 1.025N NaOH solution, how many mL of the NaOH solution should be used?

6. To make 0.5L of 1M NaOH from a 4N NaOH solution, how many mL of the NaOH solution should be used?

7. How many mL of anti-D reagent are needed to prepare 5mL of a 1:25 dilution?

8. A serum glucose sample was too high to read so a 1:5 dilution using saline (dilution A) was made. Dilution A was still too high to read and a further 1:2 dilution was made using saline (dilution B). Dilution B gave a readable result. To calculate the result, the dilution B value must be multiplied by ______________

9. If 0.5mL of a 1:300 dilution contains 1 antigenic unit, 2 antigenic units would be contained in 0.5mL of ____________ dilution.

10. A 600 mg/dL glucose solution is diluted 1:30. What is the concentration of glucose in the final solution.

11. A solution contains 20g solute on 500mL of water. What is the % of this solution?

12. How many grams of sulfosalicylic acid (MW=254) are required to prepare 1L of a 3% (w/v) solution?

13. 4 mL of water are added to 1mL of serum. What is the dilution of the serum?

14. How many mL of 30% albumin are needed to make 6 ml of a 10% albumin solution?

15. How many grams of NaCl are needed to prepare 1L of 0.9% normal saline?

16. When 0.25 mL is diluted to 20 mL the resulting dilution is__________________.

17. What is the normality of 5 mL of a 2M solution of H2SO4?

18. You need to make a 1:2 dilution using 1.5 mL of serum. How much diluent do you need?

19. A total of 125mL of a 10% solution is diluted to 500mL. What is the concentration of the new solution?

20. To dilute a serum sample 1/10 ______________ parts of serum would be added to __________ parts of diluent.