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# volumes and concentration problems watch

1. dinitrogen oxide, N2O is commonly called laughing gas. it can be made by heating ammonium nitrate NH4NO3.

NH4NO3= N2O + 2H2O

calculate the mass of ammonium nitrate that must be heated to give 12.0 dm3 of laughing gas.
2. (Original post by zaaraxo)
dinitrogen oxide, N2O is commonly called laughing gas. it can be made by heating ammonium nitrate NH4NO3.

NH4NO3= N2O + 2H2O

calculate the mass of ammonium nitrate that must be heated to give 12.0 dm3 of laughing gas.
If you need help getting started, you probably want to work out the number of moles of N2O first (I'm assuming using the ideal gas equation with rtp since it doesn't say otherwise).
3. i rearranged the equation volume= moles x 24.0 to moles=volume/24.0. is this the right way to get the number of moles of laughing gas??

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