How many moles of CO2 are found in the following 3 masses of CO2? 1. 2.11g 2. 2.51g 3. 3.2g

1 Answer
anor277
May 14, 2018

Well, how do I find the molar quantity of anything?

Explanation:

You take the quotient...#"mass of stuff"/"molar mass of stuff"#...and get an answer in moles...

Carbon dioxide, which is a popular gas at the moment...has a molar mass of #44.01*g*mol^-1#. Can you reproduce this?

And so for the first quantity...

#(2.11*cancelg)/(44.01*cancelg*mol^-1)=0.0479*1/(mol^-1)=0.0479*1/(1/(mol))=0.0479*mol#

...an answer in moles are required.

Have a go at the other problems

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