Multiple Choice
25 mL of a growth medium containing bacteria at a concentration of 3 105 cells per litre is diluted to a volume of 0.05 L. What is the concentration of bacteria after dilution?
A) 1.5 106 cells L-1
B) 1.75 108 cells L-1
C) 6.7 10-6 cells L-1
D) 6 105 cells L-1
E) 1.5 105 cells L-1
Correct Answer:

Verified
Correct Answer:
Verified
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