The equation, 2H^+(aq) + CO_3^2-(aq) rightarrow H_2O(l) + CO_2(g), is the net io

Question

The equation, 2H^+(aq) + CO_3^2-(aq) rightarrow H_2O(l) + CO_2(g), is the net ionic equation for the reaction of an aqueous mixture of a. CaCO_3 and HCl. b. Na_2CO_3 and HCl. c. H_2CO_3 and NaOH. d. BaCO_3 and H_2SO_4. e. (COOH)_2 and KOH. Classify the following reaction by giving all of the reaction type(s) that apply. SnCl_2(aq) + 2HgCl_2(aq) rightarrow SnCl_4(aq) + Hg_2Cl_2(s) a. only I b. only II c. only III d. only IV e. only V Which one of the following acids is the weakest? a. hydrofluoric acid, HF b. hydrobromic acid, HBr c. nitric acid, HNO_3 d. sulfuric acid, H_2SO_4

Explanation / Answer

q1a. answer: a   (because CaCl2 is soluble in water)

1b . is a displacement reaction , redoxreaction ,

1c. a. HF is weakest acid.

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