General, Organic, and Biological Chemistry - 4th edition
4th Edition
ISBN: 9781259883989
Author: by Janice Smith
Publisher: McGraw-Hill Education
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Chapter 9.9, Problem 9.20PP
What is the molarity of an HCI solution if 25.5 mL of a
More Problems: Try Problems 9.87-9.92.
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Predicting the qualitative acid-base properties of salts
Consider the following data on some weak acids and weak bases:
base
acid
Κα
Kb
name
formula
name
formula
hydrocyanic acid
- 10
HCN
4.9 × 10
pyridine
C₂H₂N 1.7 × 10 9
acetic acid
HCH3CO2 1.8 × 10
5
hydroxylamine HONH2 1.1 × 10¯
8
Use this data to rank the following solutions in order of increasing pH. In other words, select a '1' next to the solution that will have the lowest pH, a '2' next to
the solution that will have the next lowest pH, and so on.
0.1 M KCN
solution
pH
choose one ✓
0.1 M C5H5NHCI
choose one ✓
0.1 M NaCH3CO2
choose one ✓
0.1 M HONH3Br
✓ choose one
1 (lowest)
2
3
4 (highest)
For this question please solve the first question. Please explain your thought process, the steps you took, and how you would tackle a similar problem. Thank you for your help!
Part C
A solution that is 0.040 M in HCIO4 and 0.046 M in HCI
Express your answer numerically to two decimal places.
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pH =
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Part D
A solution that is 1.08% HCl by mass (with a density of 1.01 g/mL)
Express your answer numerically to three decimal places.
ΜΕ ΑΣΦ
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0
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pH =
Chapter 9 Solutions
General, Organic, and Biological Chemistry - 4th edition
Ch. 9.1 - Name each acid: (a)HF;(b)HNO3;(c)HCN.Ch. 9.1 - If the polyatomic anion C1O2- is called chlorite,...Ch. 9.1 - Which of the following species can be...Ch. 9.1 - Which of the following species can be...Ch. 9.1 - Classify each reactant as a Brønsted-Lowry acid or...Ch. 9.2 - Determine the conjugate acid of each species:...Ch. 9.2 - Determine the conjugate base of each species:...Ch. 9.2 - Draw the structure of the conjugate base of each...Ch. 9.2 - Label the acid, the base, the conjugate acid, and...Ch. 9.2 - Identify the acid, the base, the conjugate acid,...
Ch. 9.2 - Ammonia, NH3, is amphoteric. (a) Draw the...Ch. 9.2 - Fill in the missing product in each acid-base...Ch. 9.3 - Diagrams A and B represent acids dissolved in...Ch. 9.3 - Diagrams represent three acids (HA) dissolved in...Ch. 9.3 - Label the stronger acid in each pair. Which acid...Ch. 9.3 - Are the reactants or products favored at...Ch. 9.3 - If lactic acid is similar in strength to acetic...Ch. 9.4 - Rank the acids in each group in order of...Ch. 9.4 - Use the acid dissociation constants in Table 9.3...Ch. 9.4 - Consider the weak acids, HCN and H2CO3. Which acid...Ch. 9.5 - Calculate the value of [OH-] from the given [H3O+]...Ch. 9.5 - Calculate the value of [H3O+] from the given [OH-]...Ch. 9.5 - Calculate the value of [H3O+] and [H3O-] in each...Ch. 9.6 - (a) What is the difference in [H3O+] for each pair...Ch. 9.6 - Convert each H3O+ concentration to a pH value. a....Ch. 9.6 - What H3O+ concentration corresponds to each pH...Ch. 9.6 - Convert each H3O+ concentration to a pH value....Ch. 9.6 - What H3O+ concentration corresponds to each pH...Ch. 9.6 - What is the H3O+ concentration in a sports drink...Ch. 9.7 - Write a balanced equation for each acid-base...Ch. 9.7 - Write the net ionic equation for each reaction in...Ch. 9.7 - The acid in acid rain is generally sulfuric acid...Ch. 9.7 - Write a balanced equation for the reaction of...Ch. 9.8 - Determine whether each salt forms an acidic,...Ch. 9.8 - Which of the following salts forms an aqueous...Ch. 9.9 - What is the molarity of an HCI solution if 25.5 mL...Ch. 9.9 - How many milliliters of 2.0MNaOH are needed to...Ch. 9.10 - Determine whether a solution containing each of...Ch. 9.10 - Consider a buffer prepared from the weak acid HCO3...Ch. 9.10 - Calculate the pH of a dihydrogen...Ch. 9.10 - What is the pH of a buffer that contains...Ch. 9 - Which of the following species can be...Ch. 9 - Which of the following species can be...Ch. 9 - Prob. 23PCh. 9 - Which of the following species can be...Ch. 9 - Prob. 25PCh. 9 - Draw the conjugate acid of each base. a. Br- b....Ch. 9 - Draw the conjugate base of each acid. HNO2 NH4+...Ch. 9 - Draw the conjugate base of each acid. H3O+ H2Se...Ch. 9 - Prob. 29PCh. 9 - Prob. 30PCh. 9 - Prob. 31PCh. 9 - Prob. 32PCh. 9 - Label the conjugate acid-base pairs in each...Ch. 9 - Label the conjugate acid-base pairs in each...Ch. 9 - Prob. 35PCh. 9 - Prob. 36PCh. 9 - Fill in the missing product in each acid-base...Ch. 9 - Fill in the missing product in each acid-base...Ch. 9 - Prob. 39PCh. 9 - Write the equation for the acid-base reaction that...Ch. 9 - Prob. 41PCh. 9 - Which diagram represents what happens when HCN...Ch. 9 - Prob. 43PCh. 9 - Prob. 44PCh. 9 - Prob. 45PCh. 9 - Use the data in and 9.2 and 9.3 to label the...Ch. 9 - Prob. 47PCh. 9 - Which acid, A or B, is stronger in each part? a. B...Ch. 9 - Fill in the missing terms (strong or weak) and...Ch. 9 - Fill in the missing terms (strong or weak) and...Ch. 9 - For each pair of acids: [1] Label the stronger...Ch. 9 - For each pair of acids: [1] Label the stronger...Ch. 9 - Prob. 53PCh. 9 - Prob. 54PCh. 9 - Prob. 55PCh. 9 - Calculate Ka forthe weak acid HA dissolved in...Ch. 9 - Prob. 57PCh. 9 - Label the acid in the reactants and the conjugate...Ch. 9 - Prob. 59PCh. 9 - Prob. 60PCh. 9 - Prob. 61PCh. 9 - Prob. 62PCh. 9 - Calculate the value of [OH-] from the given and...Ch. 9 - Calculate the value of [OH-] from the given [H3O+]...Ch. 9 - Calculate the value of [OH-] from the given [HO-]...Ch. 9 - Calculate the value of [H3O+] from the given [OH-]...Ch. 9 - Prob. 67PCh. 9 - Prob. 68PCh. 9 - Prob. 69PCh. 9 - Complete the following table with the needed...Ch. 9 - Prob. 71PCh. 9 - Prob. 72PCh. 9 - Prob. 73PCh. 9 - If pancreaticfluids have a pH of 8.2, calculate...Ch. 9 - Calculate the concentrations of H3O+ and OH in the...Ch. 9 - Prob. 76PCh. 9 - Prob. 77PCh. 9 - Prob. 78PCh. 9 - Prob. 79PCh. 9 - Prob. 80PCh. 9 - Write a balanced equation for each reaction. a....Ch. 9 - Prob. 82PCh. 9 - Prob. 83PCh. 9 - Prob. 84PCh. 9 - Prob. 85PCh. 9 - Prob. 86PCh. 9 - Prob. 87PCh. 9 - Prob. 88PCh. 9 - Whatisthe molarityofanaceticacid (CH3COOH)...Ch. 9 - What is the molarity of an H2SO4 solution if 18.5...Ch. 9 - How many milliliters of 1.0MNaOH solution are...Ch. 9 - How many milliliters of 2.0MNaOH solution are...Ch. 9 - Prob. 93PCh. 9 - Prob. 94PCh. 9 - Prob. 95PCh. 9 - Prob. 96PCh. 9 - Prob. 97PCh. 9 - Prob. 98PCh. 9 - Using the Ka values in Table9.6, calculate the pH...Ch. 9 - Using the Ka values in Table9.6, calculate the pH...Ch. 9 - Calculate the pH of an acetic acid/acetate buffer...Ch. 9 - Calculate the pH of a bicarbonate/carbonate buffer...Ch. 9 - Why is the pH of unpolluted rainwater lower than...Ch. 9 - The optimum pH of a swimming pool is 7.50....Ch. 9 - When an Individual hyperventilates, he is told to...Ch. 9 - A sample of rainwater has a pH of 4.18. (a)...Ch. 9 - How is CO2 concentration related to the pH of the...Ch. 9 - Explain why a lake on a bed of limestone is...Ch. 9 - Prob. 109CPCh. 9 - Prob. 110CP
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