Which term defines the following: grams of solute divided by 1,000,000 grams of solution
a. ppm
b. kpm
c. ppb
d. molality

Electric charge is what ? a. kinetic energy b. radiation c. discovery d. electricity

What determines the average kinetic energy of the particles in a gas? a. the number of collisions b. the number of particles c. the size of the particles d. the temperature

Achemist reacted 57.50 grams of sodium metal with an excess amount of chlorine gas. the chemical reaction that occurred is shown. na + cl2 → nacl if the percentage yield of the reaction is 86%, what is the actual yield? show your work, including the use of stoichiometric calculations and conversion factors.