Fossil fuels are made up of organisms that died millions of years ago. Which best describes this source of energy

What is the molar mass of potassium nitrate, kno3

Many ionic compounds and a few highly polar covalent compounds are because they completely ionize in water to create a solution filled with charged ions that can conduct an electric current.

If 16.00g of hydrogen gas reacts with 126.73g of oxygen, how many grams of water are yielded? (both reactants are completely consumed in the reaction.)