A dilution ratio of 1:10 means there is _______ul of stock in 10 ul of final volume.

A dilution ratio of 1:10 means ______ml of stock in  20 ml of final volume.

A bacterial stock solution was found to have a density 5.0 x 106 cells. The microbiologist took 1 mL of the stock solution and diluted it to a final volume of 10 mL with the appropriate media. Which of the following statement regarding the dilution is true?

If you were making a 1:10 dilution of a 100mM NaCl solution what will be its final concentration?

How would you make a 10x sample dilution to a total volume of 1 ml?

You have 220mL of a 10% solution (w/v). You need to prepare a 1:200 solution. Howmuch diluent will you add to the stock solution?