How many molecules are in 83.2 g of chlorine gas (Cl2)? Group of answer choices
14.2 x 10^24 molecules
1.78 x 10^28 molecules
1.42 x 10^24 molecules
7.04 x 10^23 molecules

Why is an elements atomic mass not listed as a whole number on the periodic table

Amixture initially contains a, b, and c in the following concentrations: [a] = 0.300 m , [b] = 1.05 m , and [c] = 0.550 m . the following reaction occurs and equilibrium is established: a+2b⇌c at equilibrium, [a] = 0.140 m and [c] = 0.710 m . calculate the value of the equilibrium constant, kc.

What three things does a balanced equation show you?