How many molecules in a drop?
Chemistry
Level
2
The density of liquid (mol. wt. = 70) is 1.2 g mL–1. If 2 mL of liquid contains 35 drops, the number
of molecules of liquid in one drop are :
( N = Avogadro Number)
1.2 N
1/35 N
1.2/35 N
1.2/1225 N
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1 solution
