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Water. You did know that alka-seltzer dissolves in water, right?
Alka Seltzer dizzolves in 33.1 sedonds
The solute is alka seltzer and the solvent is water.
no
Seltzer water is a liquid. Alka-Seltzer is a solid mixture.
All solutes (e.g. Alka-Seltzer) dissolve better in a warmer solvent (e.g. water).
chemical change
This is a chemical change, because the carbon dioxide is created from the ingredients when placed in solution. The effervescence is caused when citric acid and sodium bicarbonate combine to form sodium citrate, releasing carbon dioxide gas.
The pH of alka seltzer is approximately 9.2 on the pH scale. Source: Challney High School For Boys Luton Investigation for Neutralistaion
water water
No a seltzer has a gas phase and a liquid phase so its heterogeneous.