What is atomic mass? a. The amount of stuff in an atom
b. The average mass of all the isotope added together ( I know this answer is incorrect.)
c. The average mass of all isotopes weighted by percent abundance
d. The average mass of all elements together

How does the value of the equilibrium constant show that a reaction reaches equilibrium very quickly? (a) the equilibrium constant is large. (b) the equilibrium constant is small. (c) the equilibrium constant is zero. (d) the value of the equilibrium constant does not show how quickly a reaction comes to equilibrium.