In: Chemistry
A 14.2 g sample of a mixture of magnesium carbonate and calcium carbonate is treated with excess HCl. The resulting reaction produces 4.55 L of carbon dioxide gas at 28 °C and 675 torr.
Write a balanced chemical equation for the reaction that takes place between magnesium carbonate and HCl. Include physical states.
chemical reaction:
Write a balanced chemical equation for the reaction that takes place between calcium carbonate and HCl. Include physical states.
chemical reaction:
Calculate the total number of moles of carbon dioxide that forms from these reactions.
moles of carbon dioxide:
Assuming the reactions are complete, calculate the precentage by mass of magnesium carbonate and calcium carbonate in the mixture.
magnesium carbonate:
calcium carbonate: