Pour 1-2 ml of potassium carbonate solution into two test tubes. Pour 1-2 ml of hydrochloric acid into the first tube
| February 16, 2021 | education
Pour 1-2 ml of potassium carbonate solution into two test tubes. Pour 1-2 ml of hydrochloric acid into the first tube, and the same amount of acetic acid solution into the second. What are you watching?
In both cases, gas evolution is observed.
A) K2CO3 + 2 HCl = 2 KCL + CO2 + H2O
2 K (+) + CO3 (2-) + 2 H (+) + 2 Cl (-) = 2 K (+) + 2 Cl (-) + CO2 + H2O
CO3 (2-) + 2 H (+) = CO2 + H2O
B) K2CO3 + 2 CH3COOH = 2 CH3COOK + CO2 + H2O
2 K (+) + CO3 (2-) + 2 CH3COO (-) + 2 H (+) = 2 K (+) +2 CH3COO (-) + CO2 + H2O
CO3 (2-) + 2 H (+) = CO2 + H2O
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