CO2 + NaOH -> ?
2007-04-13 14:58:12 · 1 個解答 · 發問者 ? 1 in 科學 ➔ 化學
咁 sodium hydrogencarbonate 係咩野 state
2007-04-13 15:47:10 · update #1
Carbon dioxide reacts with sodium hydroxide to give sodium carbonate.
CO2 + 2NaOH → Na2CO3 + H2O
In the presence of water, excess carbon dioxide would react with sodium carbonate to give sodium hydrogencarbonate.
Na2CO3 + H2O + CO2 → 2NaHCO3
The amount of CO2 in air is insufficient to give NaHCO3 with sodium hydroxide.
At room condition, sodium hydrogencarbonate (NaHCO3) is a white solid, which can dissolve in water to give a colourless solution.
2007-04-13 20:16:36 · answer #1 · answered by Uncle Michael 7 · 0⤊ 0⤋