CHEMISTRY THE CENTRAL SCIENCE >EBOOK<
14th Edition
ISBN: 9780136873891
Author: Brown
Publisher: PEARSON
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Chapter 16.6, Problem 16.11.2PE
A 0.020 M solution of niacin (see Sample Exercise 16.10) has a pH of 3.26. Calculate the percent ionization of the niacin.
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I Review I Constants I Periodic Table
Imagine that you are in chemistry lab and need to
make 1.00 L of a solution with a pH of 2.40.
You have in front of you
Part A
• 100 mL of 6.00 x 10-'mol L-1
HCI,
• 100 mL of 5.00 x 10-2mol L-1
NaOH, and
• plenty of distilled water.
Assuming the final solution will be diluted to 1.00L, how much more HCl should you add to achieve the desired pH?
Express your answer to three significant figures and include the appropriate units.
• View Available Hint(s)
You start to add HCl to a beaker of water when
someone asks you a question. When you return to
HA
?
your dilution, you accidentally grab the wrong
cylinder and add some NaOH. Once you realize
your error, you assess the situation. You have 85.0
mL of HCl and 90.0 mL of NaOH left in their
original containers.
Value
Units
Submit
Provide Feedback
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Chapter 16 Solutions
CHEMISTRY THE CENTRAL SCIENCE >EBOOK<
Ch. 16.2 - Practice Exercise 1 Consider the following...Ch. 16.2 - Prob. 16.1.2PECh. 16.2 - Prob. 16.2.1PECh. 16.2 - Practice Exercise 2 When lithium oxide (Li2O) is...Ch. 16.2 - Based on information in Figure 16.4, place the...Ch. 16.2 - Practice Exercise 2 For each reaction, use Figure...Ch. 16.3 - Practice Exercise 1 In a certain acidic solution...Ch. 16.3 - Practice Exercise 2 Indicate whether solutions...Ch. 16.3 - Prob. 16.5.1PECh. 16.3 - Prob. 16.5.2PE
Ch. 16.4 - Practice Exercise 1 A solution at 250C has [OH-] =...Ch. 16.4 - Practice Exercise 2 In a sample of lemon juice,...Ch. 16.4 - Practice Exercise 1 A solution at 25° C has pOH =...Ch. 16.4 - Prob. 16.7.2PECh. 16.5 - Practice Exercise 1 Order the following three...Ch. 16.5 - Prob. 16.8.2PECh. 16.5 - Practice Exercise 1 Order the following three...Ch. 16.5 - Prob. 16.9.2PECh. 16.6 - Prob. 16.10.1PECh. 16.6 - Practice Exercise 2 Niacin, one of the B vitamins,...Ch. 16.6 - Prob. 16.11.1PECh. 16.6 - Practice Exercise 2 A 0.020 M solution of niacin...Ch. 16.6 - Practice Exercise 1 What is the pH of a 0.40 M...Ch. 16.6 - Practice Exercise 2 The Ka for niacin (Sample...Ch. 16.6 - Prob. 16.13.1PECh. 16.6 - Prob. 16.13.2PECh. 16.6 - Practice Exercise 1 What is the pH of a 0.28 M...Ch. 16.6 - Practice Exercise 2 Calculate the pH of a 0.020 M...Ch. 16.7 - Prob. 16.15.1PECh. 16.7 - Practice Exercise 2 Which of the following...Ch. 16.7 - Prob. 16.16.1PECh. 16.7 - Practice Exercise 2 What is the morality of an...Ch. 16.8 - Practice Exercise 1 By using information from...Ch. 16.8 - Practice Exercise 2 Based on information in...Ch. 16.9 - Prob. 16.18.1PECh. 16.9 - Prob. 16.18.2PECh. 16.9 - Practice Exercise 1 How many of the following...Ch. 16.9 - Practice Exercise 2 Predict whether the...Ch. 16.10 - Prob. 16.20.1PECh. 16.10 - In each pair, choose the compound that gives the...Ch. 16 - Prob. 1DECh. 16 - a. Identify the Br ted-Lowry acid and base in the...Ch. 16 - Prob. 2ECh. 16 - Prob. 3ECh. 16 - Prob. 4ECh. 16 - 16.5 The following diagrams represent aqueous...Ch. 16 - Prob. 6ECh. 16 - Which of these statements about how the percent...Ch. 16 - 16.8 Each of the three molecules shown here...Ch. 16 - Prob. 9ECh. 16 - Which of the following diagrams best represent an...Ch. 16 - Prob. 11ECh. 16 - Prob. 12ECh. 16 - Prob. 13ECh. 16 - 16.14 Which of the following statements is...Ch. 16 - Prob. 15ECh. 16 - Prob. 16ECh. 16 - Identify the Bronsted-Lowry acid and the...Ch. 16 - Prob. 18ECh. 16 - Prob. 19ECh. 16 - Prob. 20ECh. 16 - Prob. 21ECh. 16 - Prob. 22ECh. 16 - Prob. 23ECh. 16 - Prob. 24ECh. 16 - Prob. 25ECh. 16 - Prob. 26ECh. 16 - Prob. 27ECh. 16 - Prob. 28ECh. 16 - 16.29 Calcualte [H +] for each of the following...Ch. 16 - Prob. 30ECh. 16 - 16.31 At the freezing point of water (0 o C), K10...Ch. 16 - Prob. 32ECh. 16 - Prob. 33ECh. 16 - Prob. 34ECh. 16 - 16.35 Complete the following table by calculating...Ch. 16 - Prob. 36ECh. 16 - Prob. 37ECh. 16 - 16.38 Carbon dioxide in the atmosphere dissolves...Ch. 16 - Prob. 39ECh. 16 - Prob. 40ECh. 16 - Prob. 41ECh. 16 - Prob. 42ECh. 16 - Prob. 43ECh. 16 - Prob. 44ECh. 16 - Prob. 45ECh. 16 - Prob. 46ECh. 16 - Prob. 47ECh. 16 - Prob. 48ECh. 16 - Prob. 49ECh. 16 - write the chemical equation and the Ka expression...Ch. 16 - Prob. 51ECh. 16 - Prob. 52ECh. 16 - Prob. 53ECh. 16 - Prob. 54ECh. 16 - Prob. 55ECh. 16 - Prob. 56ECh. 16 - Prob. 57ECh. 16 - Prob. 58ECh. 16 - Calculate the pH of each of the following solution...Ch. 16 - Prob. 60ECh. 16 - Prob. 61ECh. 16 - Prob. 62ECh. 16 - Calculate the percent ionization of hydrazoic acid...Ch. 16 - 16.64 Calculate the percent ionization of...Ch. 16 - Prob. 65ECh. 16 - Prob. 66ECh. 16 - Prob. 67ECh. 16 - 16.68 The hypochlorite ion, CIO- , acts as a weak...Ch. 16 - Prob. 69ECh. 16 - Prob. 70ECh. 16 - Calculate the molar concentration of OH- in a...Ch. 16 - 16.72 Calculate the molar concentration of OH- in...Ch. 16 - Prob. 73ECh. 16 - Prob. 74ECh. 16 - Prob. 75ECh. 16 - Prob. 76ECh. 16 - a. Given that Ka for acetic acid is 1.8 10-5 and...Ch. 16 - 16.78
a. Given that Kb for ammonia is 1.8 X 10 -5...Ch. 16 - Prob. 79ECh. 16 - Prob. 80ECh. 16 - Prob. 81ECh. 16 - Pyridinium bromide (C5H5NHBr) is a strong...Ch. 16 - Prob. 83ECh. 16 - Prob. 84ECh. 16 - Prob. 85ECh. 16 - 16.86 An unknown salt is either KBr, NH4 C1, KCN,...Ch. 16 - Prob. 87ECh. 16 - Prob. 88ECh. 16 - 16.89 Based on their compositions and structures...Ch. 16 - Prob. 90ECh. 16 - 16.91 Indicate whether each of the following...Ch. 16 - Prob. 92ECh. 16 - Prob. 93ECh. 16 - Prob. 94ECh. 16 - Prob. 95ECh. 16 - Prob. 96ECh. 16 - Prob. 97ECh. 16 - Prob. 98ECh. 16 - Prob. 99AECh. 16 - Prob. 100AECh. 16 - Prob. 101AECh. 16 - Prob. 102AECh. 16 - Prob. 103AECh. 16 - Prob. 104AECh. 16 - Benzoic acid (C6H5COOH) and aniline (C6H5NH2) are...Ch. 16 - Prob. 106AECh. 16 - Prob. 107AECh. 16 - Prob. 108AECh. 16 - Butyric acid is responsible for the foul smell of...Ch. 16 - Prob. 110AECh. 16 - Prob. 111AECh. 16 - Prob. 112AECh. 16 - 1S.113 Many moderately large organic molecules...Ch. 16 - Prob. 114AECh. 16 - Prob. 115AECh. 16 - Prob. 116IECh. 16 - Prob. 117IECh. 16 - Prob. 118IECh. 16 - Prob. 119IECh. 16 - 16.120 At 50 oC, the ion-product constant for H2...Ch. 16 - Prob. 121IECh. 16 - Prob. 122IECh. 16 - Prob. 123IECh. 16 - Prob. 124IECh. 16 - Prob. 125IECh. 16 - Prob. 126IE
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- Great expert Hand written solution is not allowed.arrow_forwardWhich of the following statements is/are true? (Select all that apply) OThe higher the concentration of OH in a solution, the lower the pH. OThe higher the concentration of OH in a solution, the lower the pOH. O An acidic solution has a pH of geater than 7. The concentration of H30* in pure water is 1.00 x 107 M. OA Bronsted acid is a proton donor in an acid-base reaction.arrow_forwardExercise 16.96 Enhanced with Feedback and Hints Part A MISSED THIS? Watch IWE 16.12; Read Section 16.8. You can click on the Review link to access the section in your e Text. Determine Kb for the base. A 0.125 M solution of a weak base has a pH of 11.25. Express your answer to two significant figures. • View Available Hint(s) ΑΣφ K =arrow_forward
- I Review I Constants I Periodic Table Imagine that you are in chemistry lab and need to make 1.00 L of a solution with a pH of 2.40. You have in front of you Part A • 100 mL of 6.00 × 10-2molL-1 HC1, • 100 mL of 5.00 × 10-²mol L-1 NaOH, and • plenty of distilled water. Assuming the final solution will be diluted to 1.00 L, how much more HCl should you add to achieve the desired pH? Express your answer to three significant figures and include the appropriate units. • View Available Hint(s) You start to add HCl to a beaker of water when someone asks you a question. When you return to HA ? your dilution, you accidentally grab the wrong cylinder and add some NaOH. Once you realize your error, you assess the situation. You have 85.0 mL of HCl and 90.0 mL of NaOH left in their original containers. Value Units Submit Provide Feedback Next >arrow_forwardExercise 16.93 Enhanced with Feedback MISSED THIS? Watch IVWE 16.12: Read Section 16.8. You can click on the Review link to access the section in your e Text. Caffeine (C8H10N4O2) is a weak base with a pKp of 10.4. Part A Calculate the pH of a solution containing a caffeine concentration of 415 mg/L. Express your answer to one decimal place. ΑΣφ pH =arrow_forwardA 2.98-g sample of NaOH(s) is added to enough water to make 300.0 mL of solution at 25°C. What is the pH of this solution? Question 24 options: A) 10.40 B) 0.60 C) 13.40 D) 15.00 E) 12.35arrow_forward
- Tutorial Exercise You are given an aqueous salt solution and have determined that its pH is 8.99 at 25°C. Predict which of the following three salt solutions it is most likely to be. solution (1): a solution of ammonium iodide (NH I) solution (2): a solution of barium chloride (BaCI,) solution (3): a solution of sodium fluoride (NaF) Step 1 of 5 Identify the ions produced by each salt when dissolved in water. All three compounds are ionic compounds. In aqueous solution, they dissociate into ions as follows. (Separate substances in a list with a comma. Omit states-of-matter from your answer.) (1) NH,I produces the following ions. chemPad Help Xx"| Greek - (2) BaCl, produces the following ions. chemPad Help X, x" Greek - (3) NaF produces the following ions. chemPad Help X.x" → Greek - Describe how a solute dissolves in an aqueous solution. Submit Skip (you cannot come back).arrow_forward3) Calculate the pH of the solution with a mass percent of 3.00% KOH and a density of solution of 1.0242 g/ mL. (KOH = 56 g/ mol) A)12.7 B)13.7 C) 11.7 D) 1.7 E) 1.27arrow_forwardOkay Disable ases 16 of 21 I Review | Constants | Periodic Table Assuming each solution to be 0.10 M , rank the following aqueous solutions in order of decreasing pH. Rank the solutions from the highest to lowest pH. To rank items as equivalent, overlap them. • View Available Hint(s) Reset Help НОСI Ba(OH)2 HCI NaOH N2H4 Lowest pH Highest pHarrow_forward
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