- What is the concentration of a stock solution if a 1 in 14 dilution has a concentration of 40 mg/ ml (Remember: 1 in 14 means 1 part solvent in 14 parts total)?
- How many grams of glucose would you need to make 250ml of a 6% solution?
- If 6g of NaCl is dissolved in 1L of solution, what percent concentration is prepared?