1. A solution is 40.0% acetic acid (characteristic component of vinegar) by mass. The density of this solution is 1.049 g/ml at 20 °C. Calculate the mass of pure acetic acid in 250 ml of this solution at 20
°C.

Which of the following is the correct definition of chemical energy? a. energy an object has because of its motion or position b. energy resulting from the flow of charged particles, such as electrons or ions c. energy produced from the splitting of atoms d. energy stored in chemical bonds of molecules