|(a)||Determine the percent composition of ammonia gas, NH3.|
|(b)||Determine the percent composition of ammonium nitrate, NH4NO3.|
|(c)||Determine the percent composition of ammonium sulfate, (NH4)2SO4.|
|(d)||Determine the percent composition of urea, N2H4CO.|
|Each of the compounds listed in question 8 contains nitrogen. They are used as fertilizers. For each of the compounds, which one has the highest percentage of nitrogen?|
|Chlorine (Cl) is the active ingredient used to purify water in swimming pools. Three brands
are available and each cost $0.50 per liter of water solutions of NaOCl.
Which of the three brands is the best buy?
[RETURN TO TOP]
All contents copyrighted © 1997 Chemistry Department British Columbia Institute of Technology, Burnaby, B.C. Canada. All Rights reserved