Solved

What Is Kc for the Following Equilibrium? for Phosphoric Acid

Question 86

Multiple Choice

What is Kc for the following equilibrium? For phosphoric acid (H3PO4) ,Ka1 = 6.9 × 10-3,Ka2 = 6.2 × 10-8,and Ka3 = 4.8 × 10-13.
HPO42-(aq) + OH-(aq) What is K<sub>c</sub> for the following equilibrium? For phosphoric acid (H<sub>3</sub>PO<sub>4</sub>) ,Ka<sub>1</sub> = 6.9 × 10<sup>-3</sup>,Ka<sub>2</sub> = 6.2 × 10<sup>-8</sup>,and Ka<sub>3</sub> = 4.8 × 10<sup>-13</sup>. HPO<sub>4</sub><sup>2-</sup>(aq) + OH<sup>-</sup>(aq)    PO<sub>4</sub><sup>3-</sup>(aq) + H<sub>2</sub>O(l)  A) 7.3 × 10<sup>-16</sup> B) 6.4 × 10<sup>-23</sup> C) 491 D) 48 E) 2.3 × 10<sup>-35</sup>
PO43-(aq) + H2O(l)


A) 7.3 × 10-16
B) 6.4 × 10-23
C) 491
D) 48
E) 2.3 × 10-35

Correct Answer:

verifed

Verified

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

Related Questions

Unlock this Answer For Free Now!

View this answer and more for free by performing one of the following actions

qr-code

Scan the QR code to install the App and get 2 free unlocks

upload documents

Unlock quizzes for free by uploading documents