Calculate how many milliliters of carbon dioxide would be produced theoretically from 2.0g of sucrose at 25 deg Cel and 1 atm pressure.
Write the equation and balance it.
Convert 2.0 g sucrose to moles. moles = grams/molar mass
Using the coefficients in the balanced equation, convert moles sucrose to mols CO2.
Use PV = nRT to convert moles CO2 to volume in liters, then convert to mL.
I assume the combustion reaction
C12H24O11 + 18O2>> 12CO2 + 12H2O
So it appears that the ratio of moles CO2 to sucrose is 12:1.
Figure out how many moles of sucrose in 2 grams, multipy it by 12.
Then, V=mole*R*Temp/Pressure
Watch units.
ok...i got the balanced equation to be:
C12H22O11 --> 4C2H5OH + 4CO2.
And then i got the moles of sucrose to be 2/342.296=0.005842moles...I'm stuck after this point. How do i convert this to moles of CO2? Do i just multiply this number by 4?
Bob, is it H24 or H22 for sucrose?
It's C12H22O11.
And if you are talking combustion reaction, you need to use Bob Pursley's equation.