From the balanced chemical equations listed below, which equation best expresses the following word equation: hydrogen gas plus oxygen gas yields water vapor plus energy?

Molarity is moles of solute over liters of solution. idk if that is what you are talking about, but you can convert moles of solute to grams of solute using dimensional analyzes by using molar mass found on the periodic table.

It's called the falling actionwrong subject by the way

Answerit is not a renewable energy source;