Answer to Question #141429 in General Chemistry for Alexander Nathaniel

Question

When a solid calcium carbonate was reacted with hydrochloric acid, it produced a gas
and calcium chloride salt in aqueous solution.
a. Write a balanced equation for this reaction.
b. How many moles of calcium carbonate is needed for 15.0 mL hydrochloric acid? The
density of the acid is 1.18 g/mL.
c. If we dissolve 3.29 g calcium carbonate to make a solution with 500 mL volume, what is
the concentration (M) of the solution?
d. How much is the concentration from (c.) in ppb?
e. Write an equilibrium constant expression for this reaction.
f. Calculate for the K value when the concentration of the product/s is 1.24 x 10-3 M and the
reactant/s is 2.05 x 10-4 M. Where will the direction of the equilibrium go to?

Answer 1

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