題組內容

22. Calcium carbonate reacts with hydrochloric acid.
 CaCO3(s) + 2HCl(aq) → CaCl2(aq) + H2O(l) + CO2(g)

22b. The results of a series of experiments in which the concentration of HCl was varied are shown below. 65fba12b14960.jpg Suggest why point D is so far out of line assuming human error is not the cause. [1 mark]65fba15669f00.jpg