A solution of phosphoric acid (HPO,) with a known concentration of 0.250 M HAPPO is titrated with a 0.800 M NAOH solution. How many mL of NaOH are required to reach the third equivalence point with a starting volume of 72.0 mL H,PO, according to the following balanced chemical equation: HPO, + 3 NaOH → NA PO, + 3 H̟O ADD FACTOR ANSWER RESET *( ) 0.800 6.75 x 10° 0.250 22.5 1000 1 0.0675 3 67.5 7.50 72.0 0.001 43.2 L HAPPO mol NaOн М НАРРО 9 NaOH LNaOH mL H PO, mL NaOH M NAOH 9 H,PO, mol HPO.
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Chemical equilibrium and ionic equilibrium are two major concepts in chemistry. Ionic equilibrium deals with the equilibrium involved in an ionization process while chemical equilibrium deals with the equilibrium during a chemical change. Ionic equilibrium is established between the ions and unionized species in a system. Understanding the concept of ionic equilibrium is very important to answer the questions related to certain chemical reactions in chemistry.
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