OXFORD COLLEGE: FINAL COLLEGE EXAM MATH REVIEW FOR THIS MODULE & JAN 2025 EXAM

  1. Convert 30 C to Fahrenheit

  2. Convert 150 F to Celsius

  3. To make a 35% w/w solution of aqueous NaCl, you would use

  4. To make a 35% v/v solution of aqueous NaCl, you would use

  5. You have 100 mL of 95% alcohol. How much water must you add to create a 70% alcohol solution?

  6. You have 100 mL of 55% alcohol. How much water must you add to create a 40% alcohol solution?

  7. What volume of 16% KOH can be made from 230 mL of 43% KOH?

  8. What volume of 22% KOH can be made from 330 mL of 73% KOH?

  9. What is the strength of 200 ml of solution made from 20 ml of 45% solution?

  10. What is the strength of 125 ml of solution made from 25 ml of 45% solution?

  11. 333 grams of a solute with a molecular weight of 22.9 is used to make 3000 mL of solution. What is the molarity of the solution?

  12. 251 grams of a solute with a molecular weight of 20.6 is used to make 2000 mL of solution. What is the molarity of the solution?

  13. How many grams of solute, molecular weight of 24.9, would be required to make 2500 mL of 1.5M solution?

  14. How many grams of solute, molecular weight of 22.9, would be required to make 3000 mL of 2.5M solution?

  15. If 500 ml of a 2% w/v solution was needed, how much solute would you need?

  16. 20.06630 has how many significant digits?

  17. 0.06678 has how many significant digits?

  18. 0.05653 x 10³ equals

  19. Convert 6.75 kL to dL

  20. 1mmol to moles?

  21. What percentage of values fall within +/- 1 SD of a mean in a normal Gaussian distribution?

  22. What percentage of values fall within +/- 2 SD of a mean in a normal Gaussian distribution?

  23. What percentage of values fall within +/- 3 SD of a mean in a normal Gaussian distribution?

  24. Given the following set of values: 21,19,23,18,19,21,24,20,19 what is the mean?

  25. Given the following set of values: 21,19,23,18,19,21,24,20,19 what is the median?

  26. Given the following set of values: 21,19,23,18,19,21,24,20,19 what is the mode?

  27. What is precision, accuracy, coefficient of variation, standard deviation, when is quality control result out of control, reference range?