A 5.0 g sample of greenish-yellow Cl2 gas is added to a 10.0 g sample of gray potassium metal to form a white solid in a sealed container.
a. Write a balanced equation for the combination reaction that should occur.
b. Identify the limiting reactant.
c. Predict the appearance of the substances left in the reaction container once the reaction in complete.
d. Calculate the mass of product that should form.
e. What mass of excess reactant should be mixed with the product after the reaction is complete?