In some solid calcium carbonate sample, calcium bicarbonate. Ca(HCO_3)_2. is als
ID: 952474 • Letter: I
Question
In some solid calcium carbonate sample, calcium bicarbonate. Ca(HCO_3)_2. is also present. We.a balanced equation for its reaction with hydrochloric acid. Experimental Procedure. Part A.2a. Complete (he calculation required to appear on the Report Sheet (here and on Report Sheet) Experimental Procedure. Part A.3b. Explain how a water filled graduated cylinder is inverted m a pan of water Experimental Procedure. Pan A.4 What it the proper procedure stopper? for inserting a piece of glass tubing into a rubber Experimental Procedure. Part Cl. How is the volume of the CO;(jf) collected (over water) measured in this experiment? A thermometer is not present in the space (or volume) in which the CO_2(g) is collected in this experiment How then is the temperature of the CO_2(g) determined in this experiment. The mass of a gas is elusive. How is the mass of the CO_2(g) collected over water determined in tins experiment?Explanation / Answer
1.
The reaction:
Ca(HCO3)2 + HCl = CaCl2 + CO2 + H2O
balance it; add phases:
Ca(HCO3)2(s) + 2 HCl(aq) = CaCl2(aq) + 2 CO2(g) + 2 H2O(l)
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