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Reaction of Hydrochloric Acid with Calcium Hydrogen Carbonate

Select Subject  |  Chemistry


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Reaction of Hydrochloric Acid with Calcium Hydrogen Carbonate

Question

12.0 cm3 of 0.05 M hydrochloric acid reacted with calcium hydrogen carbonate to form calcium chloride, water and carbon IV oxide.
a. Write the chemical equation for the reaction
b. Calculate the number of moles of hydrochloric acid used
c. Determine the mass of calcium hydrogen carbonate used. (Ca = 40, C =12, H = 1,O=16)

Answer

a. Ca(HCO3)2 + 2HCl → CaCl2 + CO2 + H2O

b. Moles of HCl = 0.05 x 12.0 = 0.006 -- is the formula right?

c. Mass of Ca(HCO3)2 = (40 + 2 + 24 + 6 + 16) x 0.003 (Answer not complete)