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Chemistry 15 Online
OpenStudy (anonymous):

How many grams of CO2 are in 5.0 mol of the compound

OpenStudy (ashes.boom):

okay i just did this in class so let me try to help

OpenStudy (ashes.boom):

first do you have an idea of where to start?

OpenStudy (anonymous):

I have no idea im really bad at this

OpenStudy (ashes.boom):

lol okay so lets start with what a mole is. do you know what a mole is?

OpenStudy (anonymous):

an amount of of a substance that contains approximately 6.02x10^23 particles of the substance

OpenStudy (ashes.boom):

perfect! so this question is just asking you to convert moles to mass (g) you wanna start with x grams because thats what you are trying to find. you can set x grams to equal 5.0 moles.

OpenStudy (ashes.boom):

|dw:1452198069945:dw| this is the next step. then you want to basically cancel out the moles so the only units you have left are grams

OpenStudy (anonymous):

so this is likemath where you would multiply say 5.0 on both sides

OpenStudy (ashes.boom):

actually the way we did it in class is we kept the numbers but got rid of the units and looking at this i think i drew it wrong its supposed to be x grams is equal to 5.0 moles over 1 g which is equal to the atomic weight over 1 mole. do you know what the atomic weight of the compound is?

OpenStudy (ashes.boom):

|dw:1452202112972:dw|

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