There's no flower more classic in the ... you begin amending it with fertilizers. Ammonium-based fertilizers can make soil more acidic, while nitrate-based fertilizers are less acidic.

Ammonium nitrate (NH 4 NO 3) is commonly used as a fertiliser. Given the relative atomic mass of hydrogen is 1, nitrogen is 14 and oxygen is 16, calculate the percentage of ammonium nitrate that ...