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  2. Acid–base titration - Wikipedia

    en.wikipedia.org/wiki/Acid–base_titration

    An acid–base titration is a method of quantitative analysis for determining the concentration of Brønsted-Lowry acid or base (titrate) by neutralizing it using a solution of known concentration (titrant). [1]

  3. Lewis acids and bases - Wikipedia

    en.wikipedia.org/wiki/Lewis_acids_and_bases

    A Lewis acid (named for the American physical chemist Gilbert N. Lewis) is a chemical species that contains an empty orbital which is capable of accepting an electron pair from a Lewis base to form a Lewis adduct.

  4. Acid dissociation constant - Wikipedia

    en.wikipedia.org/wiki/Acid_dissociation_constant

    In chemistry, an acid dissociation constant (also known as acidity constant, or acid-ionization constant; denoted ⁠ ⁠) is a quantitative measure of the strength of an acid in solution.

  5. Butyric acid - Wikipedia

    en.wikipedia.org/wiki/Butyric_acid

    Butyric acid (/ ˈ b j uː t ɪ r ɪ k /; from Ancient Greek: βούτῡρον, meaning "butter"), also known under the systematic name butanoic acid, is a straight-chain alkyl carboxylic acid with the chemical formula CH 3 CH 2 CH 2 COOH.

  6. South Kalimantan - Wikipedia

    en.wikipedia.org/wiki/South_Kalimantan

    South Kalimantan (Indonesian: Kalimantan Selatan) is a province of Indonesia.It is the second most populous province on the island of Kalimantan, the Indonesian territory of the island of Borneo after West Kalimantan.

  7. Indonesian language - Wikipedia

    en.wikipedia.org/wiki/Indonesian_language

    The Youth Pledge, a pledge made by Indonesian youth on October 28, 1928, defining the identity of the Indonesian nation.On the last pledge, there was an affirmation of Indonesian language as a unifying language throughout the archipelago.