1.Given 100.0 mL of a buffer that is 0.50 M in HOCl (Ka for HOCl = 3.5 x 10-8) and 0.40 M in NaOCl. How many milliters of 1.0 M NaOH would be needed to neutralize the buffer? a.150.0 mL b.50.0 mL c.25.0 mL d.100.0 mL e.10.0 mL2.Given 100.0 mL of a buffer that is 0.50 M in HOCl and 0.40 M in NaOCl. What is the pH after 10.0 mL of 1.0 M NaOH has been added? (Ka for HOCl = 3.5 x 10 -8) a.7.55 b.7.45 c.6.45 d.7.36 e.6.64

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Chemistry: Principles and Reactions

8th Edition

ISBN:9781305079373

Author:William L. Masterton, Cecile N. Hurley

Publisher:William L. Masterton, Cecile N. Hurley

Chapter14: Equilibria In Acid-base Solutions

Section: Chapter Questions

Problem 26QAP: You want to make a buffer with a pH of 10.00 from NH4+/NH3. (a) What must the [ NH4+ ]/[ NH3 ]ratio...

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Given 100.0 mL of a buffer that is 0.50 M in HOCl (Ka for HOCl = 3.5 x 10^-8) and 0.40 M in NaOCl. How many milliters of 1.0 M NaOH would be needed to neutralize the buffer?

	a.	150.0 mL
	b.	50.0 mL
	c.	25.0 mL
	d.	100.0 mL
	e.	10.0 mL

Given 100.0 mL of a buffer that is 0.50 M in HOCl and 0.40 M in NaOCl. What is the pH after 10.0 mL of 1.0 M NaOH has been added? (Ka for HOCl = 3.5 x 10 ^-8)

	a.	7.55
	b.	7.45
	c.	6.45
	d.	7.36
	e.	6.64

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