What Would Be the Concentration of Hydronium Ions in a Solution

question 248

Multiple Choice

What would be the concentration of hydronium ions in a solution that had a pH = -3? Why would such a solution be impossible to prepare?

• A)Concentration of H₃O+ = 3 M. It is impossible because it is hard to measure such a small amount of hydronium ions accurately.
• B)Concentration of H₃O+ = 30 M. It is impossible because pH cannot be negative.
• C)Concentration of H₃O+ = 1030 M. It is impossible because any container used to hold the acid would immediately corrode.
• D)Concentration of H₃O+ = 103 M. It is impossible because only so much acid can dissolve in water before the solution becomes saturated.

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