When cake batter is heated, baking soda reacts with tartaric acid to give—

• asodium tartrate, $\mathrm{CO_2}$, $\mathrm{H_2O}$
• bsodium acetate, $\mathrm{CO_2}$, $\mathrm{H_2O}$
• csodium chloride, $\mathrm{CO_2}$, $\mathrm{H_2O}$
• dsodium hydroxide, $\mathrm{CO_2}$, $\mathrm{H_2O}$