76. Solving a chemistry problem
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76. Solving a chemistry problem
23. 7.998 g of NaOH was used to neutralize 9.797 g of phosphoric acid. Calculate the equivalence number, equivalent molar mass, and basicity of H3PO4 in this reaction. Based on the calculation, write the reaction equation.
Answer: 0.5 mol; 49 g/mol; 2.
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