54. Solving a chemistry problem
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18. Determine [H ] and pH of the phosphate buffer formed by a mixture of 0.2 M solutions of Na2HPO4 and NaH2PO4. Write the reaction equations for its interaction with small amounts of strong acids and bases. Explain the action of a buffer solution to regulate [H] and [OH-] in an aqueous solution when acids and alkalis are added.
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