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December 18, 2014

Homework Help: chemistry help

Posted by jaz on Sunday, March 8, 2009 at 7:07pm.

Determine the number of moles of each specified atom or ion in the given samples of the following compunds.( Hint: the formula tells you how many atoms or ions are in each molecule of formula unit.)

a. O atom in 3.161x10^21 molecules of CO2

b. C atom in 3.161x10^21 molecules of CO2


c. O atom in 2.2222x10^24 molecules of CO2

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