What is the solvent in seltzer water? what is the solute?
Answer:
Water would be considered the solvent and carbon dioxide gas would be considered the solute. When carbon dioxide gas is dissolved into water it creates carbonic acid, but carbonic acid is a result of the solvation, not the solute itself.
Furthermore the CO2 gas is dissolved in water under high pressure. The higher the pressure the greater the solubility of gases in a liquid. When a soda bottle is opened the burst of initial gas depressurizes the container which drops the solubility of the gas within the liquid, hence all the gas starts to bubble out.
water
carbonic acid (solute) = H2CO3 dissociates to water and co2 which causes fizzing
To the guy below, carbon dioxide does not dissolve in water, but rather reacts with water to form carbonic acid, and some hydronium and some carbonate to a small degree. But carbon dioxide most certainly is not the solute.
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