Which statement below is incorrect? a.The pH of buffers resist pH change. c.HNO3 is nitric acid; H2SO4 is sulfuric acid. Both are strong acids d.A substance that feels slimy and turns pink with phenolphthalein is most likely to be acidic

Which statement below is incorrect? a.The pH of buffers resist pH change. c.HNO3 is nitric acid; H2SO4 is sulfuric acid. Both are strong acids d.A substance that feels slimy and turns pink with phenolphthalein is most likely to be acidic

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

See similar textbooks

Related questions

Q: Which of the following statements about indicators is incorrect? a. An indicator is an organic…

A: C. Phenolphthalein is colorless when the pH > 8 Phenolphthalein is actually colorless below pH 8…

Q: Strong acid and strong base Strong acid and weak base C. Weak acid and their conjugate base D. Weak…

A: Buffers are mixture of either weak acid and it's conjugate base or weak base and it's conjugate…

Q: What is the [H3O+] of a solution that is pH 4.2?

A: Solution of question given below.

Q: Which of the following is a buffer? Why or why not? Can you give the components responsible for its…

Q: Which of the following cannot be mixed together in water to produce a buffer solution? Explain why.…

A: A buffer solution is a solution in which water is present as the solvent consisting of a mixture of…

Q: which of the following weak acids would be the best to use to make buffer solution of pH=7.2?

A: A buffer solution is a solution whose pH does not change by adding small amount of acid and base.…

Q: A buffer is ______ A. a solution of acid and base that should always have a pH of 7. B. formed…

A: We have to tell which option is correct

Q: Which of the following mixtures could be used to prepare an effective buffer solution. A. HCl…

A: Buffer solution: A buffer is a solution which resist the change in pH when base or acid added.…

Q: 1. Which of the following statements about buffers is FALSE? A. the pH of a buffer never changes…

Q: When mixed in equal molar amounts, which pair(s) of substances would NOT make a suitable buffer pair…

A: =>Buffer solution are those solution which resist to change in pH when small amount of strong…

Q: 1. Which of the following is true for a buffered solution? a. The solution resists change in its…

Q: QUESTION 11 Ionic Equilibria, pH, Indicators & Buffers Part B of this lab focuses on the behavior of…

A: A buffer is a solution which resist any change in pH on adding a small amount of acid or base . it…

Q: Which one of the following pairs cannot be mixed together to form a buffer solution? Select one: Oa…

A: Given: A buffer solution can be prepared using: a weak acid and it's conjugate base A weak base and…

Q: Which of the following pairs will form a buffer when dissolved in water? 1. HNO2 and HNO3 4. HI and…

Q: How many grams of NaHCO3 should be mixed with 4.500 g of NaCO3 to produce 150.0 mL of buffer with a…

A: The given weight of Na2CO3 is 4.500 g. The molar mass of Na2CO3 is 105.98 g/mol. The formula to…

Q: 16. What is buffer capacity? a. The maximum amount of H+ or OH- ions that a buffer can absorb…

Q: Which of the following is true for a buffered solution? a. The solution resists change in its…

A: Buffer solution: The solution that resists the change in pH is known as a buffer solution. The…

Q: Which of the following can be mixed together in water to produce a buffer solution? Choose all…

A: Answer:Buffer solution is a type of solution that resists the change in its pH on adding small…

Q: 7. Which pH is consistent with the following results? Indicator Color result Thymol blue yellow…

Q: Formic acid, HFor, has a Ka value of 1.8 x 10^-4. You need to prepare a buffer having a pH of 3.25…

Q: Consider an ammonium buffer (NH4+). Which species would react if an external base, OH- were added?…

A: I think under the impact of external base like OH- than NH4+ will react to give NH3 from NH4+ as OH-…

Q: ou have a buffer composed of CH,COOH and CH,COO. Which ic =presents the conjugate base? СНСООН b.…

A: The question is based on the concept of buffer solution. A buffer is a solution which resist any…

Q: Which of the following pairs of substances can be used to make a buffer solution? a. HBr & KOH…

A: A multiple choice question based on buffer solution, which is to be accomplished.

Q: Which of the following constitute a buffer? A. NH3 and KNO3 B. HCN & NaCN C. HF & NaCl…

A: The NH3 form buffer when it mixed with NH4X (where X- ion comes from strong acid). The HF form…

Q: by the addition of strong base in a buffer, pH of the solution is maintained by? 1- Shifting…

A: Given , By the addition of strong base in a buffer, pH of the solution is maintained by? 1-…

Q: Which of the following best describes Buffers? A. Buffers are weak acid and conjugate base pairs…

A: Buffer solution :- A solution which resists the change in its pH value by the addition of small…

Q: 4. CH3NH3CI Makes a buffer with HCIO, 5. CIO4 Makes a buffer with CH3NH3B 6. CH3NH2 Lewis base, not…

A: Superacid HClO4 Lewis acid, not a Bronsted Lowry acid BeF2 is the Lewis acid since it can accept…

Q: Which of the following pairs cannot be used to make a buffer? a. HF and NaF b. HC2H3O2 and…

A: Buffer: A solution of a mixture of a weak acid and salt of same acid with a strong base. OR A…

Q: Predict the effect of increasing the ratio of weak acid to conjugate base on the pH of a buffer…

A: A buffer is a solution which resists any change in pH on adding a small amount of acid or base.It is…

Q: What conjugate base could be used to make a phosphoric acid (H3PO4) buffer at pH = 2? a. H2PO4^- b.…

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.

Question

Which statement below is incorrect?
a.The pH of buffers resist pH change.
c.HNO3 is nitric acid; H2SO, is sulfuric acid. Both are strong acids
d.A substance that feels slimy and turns pink with phenolphthalein is most
likely to be acidic
e.Auto-ionization produces a hydroxide and hydronium ion
f. Mg(OH)2 is a weak base
g. The end point of a titration during our labs require an indicator such as
phenolphthalein
e
O b

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

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.

Similar questions

Calculate the pH of a buffer solution made by dissolving 50 g of NaHCO3 and 20 g of H2CO3 to make 100 mL of a buffer solution. Help! H2CO3 Ka1= 4.30 x 10^-7 a. 6.77 b. 6.63 c. 6.10 d. 6.37
You have two buffered solutions. Buffered solution 1 consists of 5.0 M HOAc and 5.0 M NaOAc; buffered solution 2 is made of 0.050 M HOAc and 0.050 M NaOAc. How do the pHs of the buffered solutions compare? Select one: a. The pH of buffered solution 1 is greater than that of buffered solution 2. b. The pH of buffered solution 2 is greater than that of buffered solution 1. c. The pH of buffered solution 1 is equal to that of buffered solution 2. d. Cannot be determined without the Ka values. e. None of these (A-D).
2. Which of the following will NOT work as a buffer pair? A. ΝH3/ΝH4Br B. HBr/KBr C. HCIO/NaCio D. CH3COOH/NaCH3COO
Ans all of them
Which of the following pairs cannot be used to make a buffer? a. HC2H3O2 and NaOH b. HBr and KBr c. NH3 and NH4Cl d. HF and NaF
A buffer pair consists of a conjugate weak acid0weak base pair that will resist a change in pH from the addition of a strong acid or base. Decide whether each pair below is a good example of a buffer.a. HCN and NaCN Good Buffer or Not a Bufferb. H2CO3 and Na2CO3 Good Buffer or Not a Bufferc. H2SO4 and NaHSO4 Good Buffer or Not a Buffer
Which of the following is not a characteristic of buffer solutions? O They cannot be tailored to maintain a specified pH. O They contain a conjugate base of a weak acid. O They contain a weak acid. O They have a finite capacity for accommodating added acid or base. O They can maintaln their pH, even when small amounts of acid or base are added. QUESTION 10 The capacity of a buffer solution is greater when there are large amounts of a weak acid and its conjugate base in solution. O True O False
Which of the options below correctly describes what happens when a small amount of strong base is added to a buffer solution consisting of the weak acid HA its conjugate base A-? Oa. The concentration of H* increases and the pOH decreases. Ob. The concentration of H* increases and the pOH remains the same. Oc. The concentration of Ht decreases and the pOH decreases. Od. The concentration of H* remains the same and the pOH remains the same. Oe. The concentration of H* remains the same and the pOH increases.
Which of the following combination would make a good buffer? A. H2C4H4O6 + Na2C4H4O6 B. HCl + NaOH C. HCl + NaCl D. H2C4H4O6 + NaOH E. HNO3 + NaNO3 F. More than one of these