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