Potassium nitrate (KNO 3), known historically as saltpeter or the mineral niter, is a common salt with multiple uses. It has been known since antiquity; an early appearance in the chemical literature ...

The concentration of a solution is measured in moles per litre (mol l-1) and can be calculated using this formula triangle ... formed when 0.25 moles of potassium nitrate are dissolved in 500 ...

There are many useful synthetic fertilisers containing nitrogen, phosphorus and potassium. (NPK Fertilisers). Fertilisers containing nitrate ions (NO 3-) not only contain an essential nutrient ...