How would you dilute a NaCl solution that has an initial concentration of 15% (w/v) to a 50 mL solution at 0.1%?
a) Add 0.05 mL of NaCl solution to 49.95 mL of water
b) Add 49.95 mL of NaCl solution to 0.05 mL of water
c) Add 0.1 mL of NaCl solution to 49.9 mL of water
d) Add 49.9 mL of NaCl solution to 0.1 mL of water