Bigman729 Bigman729 Today at 11:42 AM Chemistry Answered g,Mary placed 1 mL of Sample A (6.3 x 107 CFU/mL) and 1 mL of Sample B (9.5 x 106 CFU/mL) into 8 mL of saline. What are the concentrations of Sample A and Sample B in the combined tube following this dilution?