A 0.2 M solution of an acid HX has a pH of 2. What is the...

Question

Question

A 0.2 M solution of an acid HX has a pH of 2. What is the value for Ka for HX?

science chemistry

Answer 1

Answer #1

BH = -log[ht] THt] = 102 M HX - Ht ty 0.2 - -x x o 0.2-2 & a I C n=102 ka = x2 - (1622 0.2-8 0.2-0.01 Kač 5-26x10-4

Answer 2

Similar Homework Help Questions

A 0,05 M solution of a weak acid HX has a pH of 3.424, What is...

A 0,05 M solution of a weak acid HX has a pH of 3.424, What is the Ka of HX?
7. (3 points) A 0.613 M HX acidic solution has a pH of 2.07. a. Find...

7. (3 points) A 0.613 M HX acidic solution has a pH of 2.07. a. Find the percent ionization of the acid in this solution. b. Calculate the Ka value of HX. 8. (3 points) Calculate the pH of a 0.76 M solution of CH3NH2, Kb = 4.4 x 10".
Determine Ka of the weak acid HX knowing that 0.10M solution of LiX has pH of...

Determine Ka of the weak acid HX knowing that 0.10M solution of LiX has pH of 8.90 Post-Laboratory Questions and Exercises DUE AFTER COMPLETING LAB. ANSWER IN SPACE PROVIDED. 1. Determine the K, of the weak acid HX knowing that a 0.10 M solution of LiX has pH of 8.90.

What is the pH of a 0.386 M solution of HX (Ka = 8.71e-05)? pH =

What is the pH of a 0.386 M solution of HX (Ka = 8.71e-05)? pH =
a 0.01M solution of an acid HX has a pH of 2.5. what is the %...

a 0.01M solution of an acid HX has a pH of 2.5. what is the % ionization of HX? Answers A) 0% B) 0.32% C) 32% D) 40% E) 100%
What would the pH of a solution containing 1.11g of an acid HX (Molar Mass of...

What would the pH of a solution containing 1.11g of an acid HX (Molar Mass of HX = 52.00 g/mol) after the addition of 2.93g of NaX? Assume no volume change to the solution after the addition of the Nax. (HX Ka = 5.48E-4) Submit Answer Tries 0/98

What is the pH of a 0.232 M solution of HX (Ka = 3.16e-08)?

What is the pH of a 0.232 M solution of HX (Ka = 3.16e-08)?
Consider a weak acid HX. If a 0.10-M solution of has a pH of 4.83 at...

Consider a weak acid HX. If a 0.10-M solution of has a pH of 4.83 at 25°C, what is △Go for the acid's dissociation reaction at 25°C? kJ/mol Submit Answer Try Another Version 9 item attempts remaining
3) A 0.80 M solution of an unknown acid, HXog), has a pH of 3.75. a)...

3) A 0.80 M solution of an unknown acid, HXog), has a pH of 3.75. a) Calculate the percent reaction. (2 marks) b) Calculate Ka for this acid. (2 marks) c) Based on your calculations in (a) and (b), is HX a strong acid, or a weak acid? Explain your answer. (2 marks)

A 0.200 M solution of an acid, HA, has a pH = 3.1. What is the...

A 0.200 M solution of an acid, HA, has a pH = 3.1. What is the value of the ionization constant, Ka, for this acid?