A Sample of Black Coffee Was Measured to Have [H₃O⁺]

question 8

Multiple Choice

A sample of black coffee was measured to have [H₃O⁺] = 7.94 × 10⁻⁶.What is TRUE about this solution?

• A)The solution is acidic.
• B)The solution contains less hydronium ions than pure water itself.
• C)The solution does not contain any OH⁻ions.
• D)The solution has [OH⁻] = 7.94 × 10⁻⁶.
• E)The pH of the solution is 7.94.

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