Chemists define the acidity or alkalinity of a substance according to the formula "pH = -log[H+]" where [H+] is the hydrogen ion concentration, measured in moles per liter. Solutions with a pH value of less than 7 are considered acidic while solutions with a pH value of greater than 7 are basic. On the other hand, solutions with a pH of 7 (such as pure water) are neutral. Suppose that you test apple juice and find that the hydrogen ion concentration is [H+] = 0.0003. Find the pH value and determine whether the juice is basic or acidic.

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