CaCO3 + H2

Question

SO4 ------> CaSO4 + CO2 + H2
O
200 g of calcium carbonate are added to 4 L of water.
a. What is the molarity of the calcium carbonate solution?
b. How many moles of hydrogen sulfate would be needed to
react with a 25 mL sample of the calcium carbonate solution?
c. If you added 10 mL of hydrogen sulfate solution, what is the
molarity of the hydrogen sulfate solution?
d. If you are at STP, what volume of carbon dioxide would be
produced?

Answer 1

NaHCO3 + HCl ----> NaCl + CO2 + H2
O
150 g of sodium bicarbonate are added to 2 L of water.
a. What is the molarity of the sodium bicarbonate solution?
b. How many moles of hydrogen chloride would be needed to
react with a 35 mL sample of the sodium bicarbonate solution?
c. If you added 15 mL of hydrogen chloride solution, what is the
molarity of the hydrogen chloride solution?
d. If you are at STP, what volume of carbon dioxide would be
produced?

Answer 2

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