Write balanced equations for these reactions using lowest whole-number coefficie

Question

Write balanced equations for these reactions using lowest whole-number coefficients. States of matter are optional. Carbonate ion (CO32-) acts as a Bronsted base with water. The carbon-containing product from the first reaction acts as a Bronsted base with water. The carbon-containing product from the second reaction decomposes immediately into carbon dioxide gas and water. Consider the products of the above reactions. When carbonate ion reacts with water, is the resulting solution acidic or basic?

Explanation / Answer

(1) CO32- + H2O <=> HCO3- + OH-

(2) HCO3- + H2O <=> H2CO3 + OH-

(3) H2CO3 <=> CO2 + H2O

(4) Since OH- is produced => solution is basic

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