Ionic Equilibrium
Chemical equilibrium and ionic equilibrium are two major concepts in chemistry. Ionic equilibrium deals with the equilibrium involved in an ionization process while chemical equilibrium deals with the equilibrium during a chemical change. Ionic equilibrium is established between the ions and unionized species in a system. Understanding the concept of ionic equilibrium is very important to answer the questions related to certain chemical reactions in chemistry.
Arrhenius Acid
Arrhenius acid act as a good electrolyte as it dissociates to its respective ions in the aqueous solutions. Keeping it similar to the general acid properties, Arrhenius acid also neutralizes bases and turns litmus paper into red.
Bronsted Lowry Base In Inorganic Chemistry
Bronsted-Lowry base in inorganic chemistry is any chemical substance that can accept a proton from the other chemical substance it is reacting with.
![The pH of an aqueous solution of 0.0917 M sodium fluoride, NaF, is [blank]. (Assume that \( K_a (\text{HF}) = 7.20 \times 10^{-4} \).)
This solution is [dropdown menu].](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F6e7279b6-864f-464c-a490-1592f397f56d%2Fc2bf2727-be52-4d91-8a5b-2bd1d027e31d%2Fsjdlqvf_processed.png&w=3840&q=75)
![**Title:** Calculating the pOH of a Caffeine Solution
**Text:**
The pOH of an aqueous solution of 0.532 M caffeine (a weak base with the formula \( \text{C}_8\text{H}_{10}\text{N}_4\text{O}_2 \)) is ______. (Assume that \( K_b (\text{C}_8\text{H}_{10}\text{N}_4\text{O}_2) = 4.10 \times 10^{-4} \).)
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**Explanation:**
This problem involves calculating the pOH of a caffeine solution. Given the concentration of caffeine and its base dissociation constant (\( K_b \)), you would typically use the following steps:
1. Write the equilibrium expression for caffeine ionization.
2. Use the \( K_b \) expression to solve for the hydroxide ion concentration (\( [\text{OH}^-] \)).
3. Calculate the pOH using the formula:
\[
\text{pOH} = -\log([\text{OH}^-])
\]
This exercise is useful in chemistry education for understanding equilibrium expressions and the relations between pH and pOH in solution chemistry.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F6e7279b6-864f-464c-a490-1592f397f56d%2Fc2bf2727-be52-4d91-8a5b-2bd1d027e31d%2F3jx8thf_processed.png&w=3840&q=75)
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