Solved

After Adding 25

Question 143

Multiple Choice

After adding 25.0 mL of 0.100 M NaOH to 100.0 mL of 0.100 M weak acid (HA) , the pH is found to be 5.90. Determine the value of Ka for the acid HA.


A) 4.2 10-7
B) 3.5 10-9
C) 1.6 10-11
D) 2.1 10-5
E) none of these

Correct Answer:

verifed

Verified

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

Related Questions

Q22: You have two salts, AgX and AgY,

Q28: Equal volumes of 0.1 M HCl and

Q110: Explain how the solubility of an ionic

Q128: Explain why we cannot directly compare K<sub>sp</sub>

Q138: The concentration of Mg<sup>2+</sup> in seawater is

Q140: A titration of 100.0 mL of 1.00

Q142: A 200-mL solution contains 0.018 mol each

Q145: Consider the titration of 200.0 mL of

Q146: Which of the following solutions will be

Q147: You have a solution of 0.10 M