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What substances would be least acidic pH equals 2ph equals 3ph equals 6ph equals 1or pH equals 4?
Wiki User
∙ 12y ago
the least acidic would be the one closest to the neutral pH number of 7 (which is the pH of pure water, NOT salt water... salt water is slightly acidic i THINK due to salt content).
so in the case given in ur question, the least acidic would be the substance with pH level of 6.
Wiki User
∙ 12y ago
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