At Westonci.ca, we connect you with experts who provide detailed answers to your most pressing questions. Start exploring now! Get detailed and precise answers to your questions from a dedicated community of experts on our Q&A platform. Discover detailed answers to your questions from a wide network of experts on our comprehensive Q&A platform.
Sagot :
The value of [tex]K_{a}[/tex] for HF is, 3.5 x [tex]10^{-4} M[/tex]
What is an aqueous solution?
The aqueous solution definition means simply that something has been dissolved in water. The aqueous symbol is (aq). Aqueous solution definition: something is dissolved in water.
Solution : Given,
pH = 2.03
Concentration of HF = 0.25 M
First, we have to calculate the concentration of [tex]H^{+}[/tex] ion.
pH=-log [[tex]H^{+}[/tex]]
2.03=-log [[tex]H^{+}[/tex]]
[tex]H^{+}[/tex]= 9.3 x [tex]10^{-3} M[/tex]
Now we have to calculate the value of [tex]K_{a}[/tex] for HF.
The equilibrium reaction will be:
[tex]HF\leftrightharpoons \ H^{+}+F^{-}[/tex]
Concentration of [tex]H^{+}[/tex] = Concentration of [tex]F^{-}[/tex]= 9.3 x [tex]10^{-3} M[/tex]
The expression of [tex]K_{a}[/tex] for HF will be,
[tex]k_{a} =\frac{[F]^{-} [H]^{+} }{HF}[/tex]
[tex]K_{a}[/tex] = 3.5 x [tex]10^{-4} M[/tex]
Therefore, the value of [tex]K_{a}[/tex] for HF is, 3.5 x [tex]10^{-4} M[/tex]
Learn more about the aqueous solution here:
https://brainly.com/question/14097392
#SPJ4
Thank you for visiting. Our goal is to provide the most accurate answers for all your informational needs. Come back soon. Thanks for using our platform. We aim to provide accurate and up-to-date answers to all your queries. Come back soon. Keep exploring Westonci.ca for more insightful answers to your questions. We're here to help.
