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Ka and pK derivation https://www.khanacademy.org/science/organic-chemistry/organic-structures/acid-base-review/v/ka-and-pka-derivation --------------------------- Ka و pK يتناول هذا الفيديو أمثلة لكيفية حساب واشتقاق --------------------------- شكر خاص لمؤسسة شركاء في التنمية المستدامة -- فلسطين http://psdpal.org