menu-iconExamlexExamLexServices

Discover

Ask a Question
  1. All Topics
  2. Topic
    Chemistry
  3. Study Set
    Chemistry The Central Science
  4. Exam
    Exam 16: Acid-Base Equilibria
  5. Question
    Calculate the PH of a 0
Solved

Calculate the PH of a 0

Question 127

Question 127

Multiple Choice

Calculate the pH of a 0.0727 M aqueous sodium cyanide solution at 25.0 °C. Kb for CN- is 4.9 × 10-10.


A) 9.33
B) 10.00
C) 5.22
D) 1.14
E) 8.78

Correct Answer:

verifed

Verified

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

Related Questions

Q64: Of the following,which is the weakest acid?<br>A)HPO<sub>3</sub><sup>-</sup><br>B)H<sub>3</sub>PO<sub>4</sub><br>C)H<sub>2</sub>PO<sub>4</sub><sup>-</sup><br>D)HPO<sub>4</sub><sup>-</sup><br>E)The

Q122: The conjugate base of H<sub>2</sub>PO<sub>4</sub><sup>-</sup> is _.<br>A)PO<sub>4</sub><sup>3</sup><sup>-</sup><br>B)H<sub>2</sub>PO<sub>4</sub><br>C)H<sub>3</sub>PO<sub>4</sub><br>D)HPO<sub>4</sub><sup>2</sup><sup>-</sup><br>E)none

Q123: What is the pH of a sodium

Q125: An aqueous solution contains 0.050 M of

Q126: What is the pOH of an aqueous

Q128: Calculate the pOH of a solution at

Q129: The conjugate acid of HSO<sub>4</sub><sup>-</sup> is _.<br>A)SO<sub>4</sub><sup>2-</sup><br>B)H<sub>2</sub>SO<sub>4</sub><br>C)HSO<sub>4</sub><sup>+</sup><br>D)H<sup>+</sup><br>E)HSO<sub>3</sub><sup>+</sup>

Q130: Calculate the pOH of 0.606 M anilinium

Q131: Of the acids in the table below,

Q132: An aqueous solution contains 0.150 M HCl

Examlex

ExamLex

About UsContact UsPerks CenterHomeschoolingTest Prep

Work With Us

Campus RepresentativeInfluencers

Links

FaqPricingChrome Extension

Download The App

Get App StoreGet Google Play

Policies

Privacy PolicyTerms of ServiceHonor CodeCommunity Guidelines

Scan To Download

qr-code

Copyright © (2025) ExamLex LLC.

Privacy PolicyTerms Of ServiceHonor CodeCommunity Guidelines