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

Understanding how substituents activate Rank each of the following substituted benzene molecules in order of which will react fastest (1) to slowest (4) by electrophilic aromatic substitution. Explanation HN NH2 Check X (Choose one) (Choose one) (Choose one) (Choose one) © 2025 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center A

Identifying electron-donating and electron-withdrawing effects on benzene For each of the substituted benzene molecules below, determine the inductive and resonance effects the substituent will have on the benzene ring, as well as the overall electron-density of the ring compared to unsubstituted benzene. Inductive Effects Resonance Effects Overall Electron-Density Molecule CF3 O donating O donating O withdrawing O withdrawing O no inductive effects O no resonance effects electron-rich electron-deficient O similar to benzene CH3 O donating O withdrawing O no inductive effects O donating O withdrawing Ono resonance effects O electron-rich O electron-deficient O similar to benzene Explanation Check Х © 2025 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center

* Hint: Think back to Chem 1 solubility rules. Follow Up Questions for Part B 12. What impact do the following disturbances to a system at equilibrium have on k, the rate constant for the forward reaction? Explain. (4 pts) a) Changing the concentration of a reactant or product. (2 pts) b) Changing the temperature of an exothermic reaction. (2 pts) of

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