What is the total volume of one side of a hemocytometer if the ruled area is 3 ´ 3 mm and the depth is 0.1 mm?
a. 0.3 mm3
b. 0.9 mm3
c. 1.0 mm3
d. 9 mm3
ANS: B
Volume = area ´ depth = (3 ´ 3) ´ 0.1 = 0.9 mm3
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