Asked by Leul

If a solution of NaOH is left exposed to room air, what will happen to its pH? What chemical
equilibrium is responsible for this effect?

Answers

Answered by DrBob222
NaOH absorbs CO2 from the atmosphere and pH decreases.
Answered by Billy
Do you know what chemical equilibrium is responsible for this effect?
Answered by DrBob222
NaOH + CO2 ==> NaHCO3 or you can write
CO2 + H2O ==> H2CO3, then
H2CO3 + NaOH ==> NaHCO3 + H2O
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