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22 solutions

Polyprotic Acid

Q. Phosphoric acid, H3PO4(aq), is a triprotic acid, meaning that one molecule of the acid has three acidic protons. Estimate the pH and the concentrations of all species in a 0.450 M phosphoric acid solution. Find H3PO4, H2PO4 ^2-, PO4 3- . Pka1= 2.16 Pka2= 7.21 Pka3= 12.32

Solved • Oct 12, 2019

Polyprotic Acid

Q. Phosphoric acid, H3PO4(aq), is a triprotic acid, meaning that one molecule of the acid has three acidic protons. Estimate the concentrations of all species in a 0.450 M phosphoric acid solution. [HPO4 ^-2]? [PO4 ^-3]? pKa1=2.16 pKa2=7.21 pKa3= 12.32

Solved • Oct 7, 2019

Polyprotic Acid

Q. Phosphoric acid, H3PO4(aq), is a triprotic acid, meaning that one molecule of the acid has three acidic protons. Estimate the pH and the concentrations of the species in a 0.450 M phosphoric acid. pka1= 2.16 pKa2=7.21 pKa3=12.32 [H3PO4]= ? pH=?

Solved • Oct 7, 2019

Polyprotic Acid

Q. Calculate the concentration of S2- in an aqueous solution of 4.31×10-2 M hydrosulfuric acid, H2S (aq). [S2-] =

Solved • Jul 7, 2019

Polyprotic Acid

Q. Calculate the concentration of HS- in an aqueous solution of 0.2770 M hydrosulfuric acid, H2S (aq). [HS-] =

Solved • Jul 7, 2019

Polyprotic Acid

Q. What is the expected pH in a 0.10 M solution of H3X?

Solved • May 9, 2019

Polyprotic Acid

Q. Write the three ionization reactions of each anionic citrate species along with their corresponding expressions for the ionization constant, Kb,

Solved • Apr 22, 2019