menu-iconExamlexExamLexServices

Discover

Ask a Question
  1. All Topics
  2. Topic
    Chemistry
  3. Study Set
    Chemical Principles Study Set 4
  4. Exam
    Exam 7: Acids and Bases
  5. Question
    ​Calculate [H+] in a 0
Solved

​Calculate [H+] in a 0

Question 66

Question 66

Multiple Choice

​Calculate [H+] in a 0.026 M solution of HCN, Ka = 6.2 ×10-10.


A) 6.5 ×​10-7 M
B) ​2.5 ×​10-9 M
C) ​6.2 ×​10-10 M
D) ​4.0 ×​10-6 M
E) ​1.5 ×​10-4 M

Correct Answer:

verifed

Verified

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

Related Questions

Q61: Calculate [H<sup>+</sup>] in a 1.2 × 10<sup>-5</sup>

Q62: Calculate the pH of a 2.0 ×

Q63: A 0.050 M aqueous solution of a

Q64: Which of the following indicates the most

Q65: If you know K<sub>b</sub> for ammonia, NH<sub>3</sub>,

Q67: If solid sodium cyanide (NaCN) is dissolved

Q68: The following three equations represent equilibria that

Q69: HOAc K<sub>a</sub> = 1.8 ×10<sup>-5</sup><sup><br></sup>H<sub>2</sub>CO<sub>3 </sub> K<sub>a1</sub>

Q70: Calculate the pOH of a 0.10 M

Q71: Which of the following aqueous solutions will

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