Pheromones are a special type of compound secreted by the females of many insect species to attract males for mating. One pheromone has the molecular formula C19H38O. normally, the amount of this pheromone secreted by a female insect is about 1.3 x 10-12 g. How many molecules does this quantity contain? 28 x 10^5 molecules C19H380 O2.8 x 10^9 molecules C19H380 28 x 10^9 molecules C19H380 0.0028 x 10^9 molecules C19H380

Chemistry for Engineering Students
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Author:Lawrence S. Brown, Tom Holme
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Chapter3: Molecules, Moles, And Chemical Equations
Section: Chapter Questions
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D Question 17
Pheromones are a special type of
compound secreted by the females
of many insect species to attract
males for mating. One pheromone
has the molecular formula C19H38O.
normally, the amount of this
pheromone secreted by a female
insect is about 1.3 x 10-¹2 g. How
many molecules does this quantity
contain?
28 x 10^5 molecules C19H380
O2.8 x 10^9 molecules C19H380
28 x 10^9 molecules C19H380
0.0028 x 10^9 molecules C19H380
Transcribed Image Text:D Question 17 Pheromones are a special type of compound secreted by the females of many insect species to attract males for mating. One pheromone has the molecular formula C19H38O. normally, the amount of this pheromone secreted by a female insect is about 1.3 x 10-¹2 g. How many molecules does this quantity contain? 28 x 10^5 molecules C19H380 O2.8 x 10^9 molecules C19H380 28 x 10^9 molecules C19H380 0.0028 x 10^9 molecules C19H380
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