AP Chemistry: Rules for Significant Figures

AP Chemistry For Dummies Cheat Sheet. ... with "it's basic because the pH is higher than 7", or "it's basic because it is a strong base-weak acid titration". If they give evidence (the conjugate base reacts with water to form hydroxide ions, or they write the equation) then reasoning (the hydroxide ions make the solution basic), it is a more ... ................
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