Problem
Write the details of your calculations and include units when appropriate.
1. You are making champagne punch for a big party. You have mixed in your punch bowl 1 litre of carbonated water. 1 liter of pink lemonade. 1 liter of orange juice, 750 ml of cranberry juice and 250 ml of limejuice. The recipe now says to add 2 500 ml bottles of champagne. You realize that this is like doing a dilution. What is the dilution factor for the champagne?
2. How would you prepare 75 ml of a 1/200 dilution?
3. In performing an immunological procedure. you add 2 ml of stock serum to 3 ml of saline. Two 114 serial dilutions are then made. What is the dilution of serum contained in the final tube?