Problem: Determine [OH-], [H+], and the pH of the following solution.a. 1.0 M KCl

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We are being asked if the determine [OH-], [H+], and the pH of the following solution.


Ionic salts are made up of positively charged ion (cation) and a negatively charged ion (anion). 

For cations:

transition metal

▪ charge of +2 or higheracidic
▪ less than +2 → neutral solution

main group metal


▪ charge of +3 or higher acidic
▪ less than +3 → neutral solution 

amines - compounds with only nitrogen or hydrogen (i,e. NH3) or with carbon, nitrogen, and hydrogen

positive amines acidic

For anions:

To determine if an anion is basic or neutral you must add an H+ to it.

▪ If adding an H+creates a weak acid → negative ion is basic

▪ if adding an H+creates a strong acid → negative ion is neutral


For the salt  KCl:

K+

▪ less than +2 → neutral solution

Cl

▪ add H+:          Cl- + H+ → HC;
▪ HCl → strong acid
▪ Cl-neutral


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Problem Details

Determine [OH-], [H+], and the pH of the following solution.

a. 1.0 M KCl

Frequently Asked Questions

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Weak Bases concept. If you need more Weak Bases practice, you can also practice Weak Bases practice problems.

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Based on our data, we think this problem is relevant for Professor Brewer's class at UF.

What textbook is this problem found in?

Our data indicates that this problem or a close variation was asked in Chemistry: An Atoms First Approach - Zumdahl Atoms 1st 2nd Edition. You can also practice Chemistry: An Atoms First Approach - Zumdahl Atoms 1st 2nd Edition practice problems.