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pH Concept

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Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.
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    pH의 개념

    pH의 개념

    by Whakuk Lee //at grade

    pH의 정의와 산과 염기의 세기. pH 척도의 이용과 중요성

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