The Ka for lcarbonic acid is 1.8 × 10–5. Which of the following statements best describes the pH of a 0.0010 M solution of carbonic acid?     The pH is greater than 3 but less than 7.     The pH is exactly 7.     The pH is greater than 7 but less than 12.     The pH is greater than 0 but less than 3.     The pH is exactly 3.

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