AP BIOLOGY

Detailed explanation-1: -Nitrate is a polyatomic ion with the chemical formula NO−3. Salts containing this ion are called nitrates. Nitrates are common components of fertilizers and explosives. Almost all inorganic nitrates are soluble in water.

Detailed explanation-2: -Basically, it comes down to how each individual laboratory tests for and then reports results for nitrates. When a laboratory reports directly the concentration of nitrate, it is referring specifically to the nitrate ion, which is designated chemically as NO3-.

Detailed explanation-3: -Answer and Explanation: The formula of nitrogen trioxide is NO. 3.

Detailed explanation-4: -They occur naturally in soil, water, and air. Nitrate and nitrite are also made in the body. In industry, the majority of nitrate is used as fertilizers for crops or lawns. Nitrate and nitrite are also used in food preservation, some pharmaceutical drugs, and in the production of munitions and explosives.