Solved

The Acid-Dissociation Constants of Phosphoric Acid (H3PO4)are = 7

Question 106

Multiple Choice

The acid-dissociation constants of phosphoric acid (H3PO4) are The acid-dissociation constants of phosphoric acid (H<sub>3</sub>PO<sub>4</sub>) are = 7.5 × 10<sup>-3</sup>, and K<sub>a3</sub> = 4.2 × 10<sup>-13</sup> at 25.0 °C.What is the pH of a 2.5 M aqueous solution of phosphoric acid? A) 1.82 B) 0.40 C) 2.51 D) 0.86 E) 0.13 = 7.5 × 10-3, The acid-dissociation constants of phosphoric acid (H<sub>3</sub>PO<sub>4</sub>) are = 7.5 × 10<sup>-3</sup>, and K<sub>a3</sub> = 4.2 × 10<sup>-13</sup> at 25.0 °C.What is the pH of a 2.5 M aqueous solution of phosphoric acid? A) 1.82 B) 0.40 C) 2.51 D) 0.86 E) 0.13 and Ka3 = 4.2 × 10-13 at 25.0 °C.What is the pH of a 2.5 M aqueous solution of phosphoric acid?


A) 1.82
B) 0.40
C) 2.51
D) 0.86
E) 0.13

Correct Answer:

verifed

Verified

Unlock this answer now
Get Access to more Verified Answers free of charge

Related Questions

Q101: Of the following substances,an aqueous solution of

Q102: Of the acids in the table below,_

Q103: In which of the following aqueous solutions

Q104: Which solution below has the highest concentration

Q105: A Br∅nsted-Lowry acid is defined as a

Q107: What is the pH of a sodium

Q108: The pH of a 0.25 M aqueous

Q109: The acid-dissociation constant,K<sub>a</sub>,for an unknown acid HA

Q110: An aqueous solution of NaF is prepared

Q111: Using the data in the table,which of