Reference no: EM131874366
Solutions Repeat Problem Set
How would you prepare the following solutions? Unless stated otherwise, assume that the solvent is purified water and that you will dissolve the solute in a lesser amount of solvent and then "bring the solution to volume"
CuSO4 FW 159.61
NaCl FW 58.44
CaCl FW 111.0
Na2SO4. 10H2O FW 322.04
1. 100 ml of AgNO3 at 2 g/ml
2. 250 ml of NaCl at 2 mg/ml
3. 0.75 L of CuSO4 at 50mg/ml
4. 250 ml KCl at 20 mg/ml
5. 50 ml of 0.1% (w/v) AgNO3
6. 500 ml of 1%( w/v) NaCl
7. 10 ml of 6% (w/v) CuSO4
8. 200 ml of 2% (w/v) KCl
9. 25ml of 20% (v/v) Methanol
10. 2L of 70% (v/v) Ethanol
11. 10 ml of 0.2% (v/v) DMSO
12. 50 ml of 3% (v/v) Propanol
13. 250 ml 12 mM CuSO4
14. 500 ml 0.25M NaCl
15. 500 ml 25mM CaCl
16. 100 ml 300 mM Na2SO4
17.100 ml of 5:3:2 ethylene: chloroform: isoamyl alcohol
18. Convert 50 ppm to g/L
19. Convert 50 ppm to mg/L
20. Convert 5 ppb to ul/l
21. Convert 3 ppm to l/ml
22. Convert 350 ppm to ml/L
23. 300 ppb Cadmium (solid)