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A sample of pure water contains

A. a smaller concentration of H3O+ ions than OH- ions.

B. a larger concentration of H3O+ ions than OH- ions.

C. equal concentrations of OH- and H3O+ ions.

D. neither OH- ions nor H3O+ ions.


Sagot :

The answer is c because it is helpful to understand the balance between these two ions. An aqueous solution is a solution in which water is the solvent. Water molecules (H2O) are polar, meaning that they have a negative end (the oxygen) and a positive end (the hydrogens). When there is a reaction in an aqueous solution, the water molecules have the ability to attract and temporarily hold a donated proton (H+). This creates the hydronium ion (H3O+).