Explanation Given, Strength of HNO 2 is 2 .00M HNO 2 ( aq ) → H + ( aq ) + NO 2 - ( aq ) Initial concentration ( M ) : 2 .00 0 0 Change in concentration ( M ) : -x +x +x Equilibrium concentration ( M ) : 2 .00-x x x K a = [H + ][NO 2 - ] [HNO 2 ] 4 .5 × 10 -4 = x 2 2 .00 - x ≈ x 2 2 .00 x = [H + ] = 0 .030M pH = -log ( 0 .030 ) = 1 .52 The pH after addition of sodium hydroxide is 1.5 times greater pH=1 .52+1 .50=3 .02 [H + ]= 10 - pH = 10 - 3 .02 = 9 .55 × 10 - 4 M After addition of NaOH, 2 .00M HNO 2 get diluted M i V i = M f V f ( 2

2nd Edition

ISBN: 9780073511184

Author: Julia Burdge, Jason Overby Professor

Publisher: McGraw-Hill Education

See similar textbooks

Concept explainers

Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.

Videos

Question

Chapter 17, Problem 17.89QP

Interpretation Introduction

Interpretation:

The concentration of sodium hydroxide has to be determined using the given data.

Concept introduction:

Molarity is defined as strength of substance in terms of amount of moles of solute dissolved in one litre of solution.

To calculate: The molarity of HNO2 and NaOH

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See solution

Chapter 17, Problem 17.88QP

Chapter 17, Problem 17.90QP

Students have asked these similar questions

A 36.6 mL sample of a 0.401 M aqueous hypochlorous acid solution is titrated with a 0.456 M aqueous solution of barium hydroxide. How many milliliters of barium hydroxide must be added to reach a pH of 7.172? mL

A chemistry graduate student is given 125. mL of a 0.80M ammonia (NH3) solution. Ammonia is a weak base with K₂ = 1.8 × 10. What mass of NHÂBr should the student dissolve in the NH3 solution to turn it into a buffer with pH = 9.55? 4 You may assume that the volume of the solution doesn't change when the NH Br is dissolved in it. Be sure your answer has a unit symbol, and round it to 2 significant digits. 0 x10 × S

A scientist notices an occurrence of acid shock in a body of water that sits close to an industrial factory. To begin investigating the cause of the fishkill, the scientist measures the acidity of the body of water by using a pH test strip. Which statement describes the most likely pH results and the conclusion arrived at by the scientist? The test strip placed in the body of water displays a pH of 6.5, indicating that the stream is highly acidic and members of the fish population have suffered acid shock. The test strip placed in the body of water displays a pH of 13, indicating that the stream is highly acidic and members of the fish population have suffered acid shock. The test strip placed in the body of water displays a pH of 2.0, indicating that the stream is highly acidic and members of the fish population have suffered acid shock. The test strip placed in the body of water displays a pH of 9.0, indicating that the stream is highly acidic and members of the fish population have…

Chapter 17 Solutions

Chemistry: Atoms First

Ch. 17.1 - Determine the pH at 25C of a solution prepared by...Ch. 17.1 - Determine the pH at 25C of a solution prepared by...Ch. 17.1 - Determine the pH at 25C of a solution prepared by...Ch. 17.1 - Prob. 1PPC Ch. 17.1 - Prob. 17.1.1SR Ch. 17.1 - Prob. 17.1.2SR Ch. 17.2 - Starting with 1.00 L of a buffer that is 1.00 M in...Ch. 17.2 - Prob. 2PPA Ch. 17.2 - Prob. 2PPB Ch. 17.2 - Prob. 2PPC

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.

The concentration of sodium hydroxide has to be determined using the given data. Concept introduction : Molarity is defined as strength of substance in terms of amount of moles of solute dissolved in one litre of solution. To calculate: The molarity of HNO 2 and NaOH

Solution Summary: The author explains that the concentration of sodium hydroxide has to be determined using the given data. Molarity is defined as amount of moles of solute dissolved in one litre of solution.

Concept explainers

Videos

Interpretation:

The concentration of sodium hydroxide has to be determined using the given data.

Concept introduction:

Molarity is defined as strength of substance in terms of amount of moles of solute dissolved in one litre of solution.

To calculate: The molarity of HNO2 and NaOH

Want to see the full answer?

Chapter 17 Solutions

The concentration of sodium hydroxide has to be determined using the given data. Concept introduction : Molarity is defined as strength of substance in terms of amount of moles of solute dissolved in one litre of solution. To calculate: The molarity of HNO 2 and NaOH

Solution Summary: The author explains that the concentration of sodium hydroxide has to be determined using the given data. Molarity is defined as amount of moles of solute dissolved in one litre of solution.

Concept explainers

Videos

Interpretation: The concentration of sodium hydroxide has to be determined using the given data. Concept introduction: Molarity is defined as strength of substance in terms of amount of moles of solute dissolved in one litre of solution. To calculate: The molarity of HNO2 and NaOH

Want to see the full answer?

Chapter 17 Solutions

Interpretation:

The concentration of sodium hydroxide has to be determined using the given data.

Concept introduction:

Molarity is defined as strength of substance in terms of amount of moles of solute dissolved in one litre of solution.

To calculate: The molarity of HNO2 and NaOH