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Mole numbers
Asked Jun 28, 2008, 08:19 AM
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1 Answer From 200mg of carbondioxide, 10^21 molecules are removed. How many moles of CO2 are left? |
1 Answer
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| Things you'll need to solve the problem: 1) #molecules in a mol (Avagdro's number) 2) molecular weight of CO2 (units are g/mol) 3) #moles CO2 in 200 mg (200mg = 0.200 g) 4) #molecules CO2 in the #moles calcualted for 3) Voila | ||||
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