CHEM: THE CENTRAL SCI. + MAST. CHEM V.2
14th Edition
ISBN: 9781323866184
Author: Brown, THEODOR
Publisher: PEARSON C
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Textbook Question
Chapter 16.6, Problem 16.14.1PE
Practice Exercise 1
What is the pH of a 0.28 M solution of ascorbic acid (Vitamin C)? (See Table 16.3 for Ka1 and Ka2.)
- 2.04
- 2.32
- 2.82
- 4.65
- 6.17
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pH practice
a.) determine the pH of a nitric acid solution (HNO3) that has been prepared by mixing 2.0 mL of 1.0 M HNO3 with 98.0 mL of water
b.) determine the pH of a 25 mL carbonic acid solution (H2CO3) with a concentration of 5.7 x 10-5 M. assume all the protons will dissociate from the acid and react with water to form hydronium ions.
c.) determine the pH and pOH of a NaOH solution that has been prepared by diluting 20.0 mL of 6.0 M NaOH with 80.0 mL of water.
d.) determine the pH and pOH of a Ca(OH)2 solution that has been prepared by mixing 0.26 g of Ca(OH)2 pellets in 750 mL of water.
EXERCISE 5: ACIDS AND BASES
Tell whether each of the following statements is characteristic of an acid or a
Neutralizes acids
Has a soapy feel
Neutralizes bases
Turns litmus to red
Identify the acid and base on the left side of the following equations and identify their conjugate species on the right
3 (aq)
H2CO3 (aq) + H2O (l) H3O+ (aq) + HCO -
NH4 + (aq) + H2O (l) H3O+ (aq) + NH3 (aq)
2 (aq) 2 (aq)
HCN (aq) + NO - CN- (aq) + HNO -
Equation
Acid
Base
Conjugate base
Conjugate acid
1
2
3
Complete…
Answer the following:
Note: Numbers 1, 2, and 3 are already answered.
1. Milk has a pH of 6. What is the concentration of hydrogen ion in milk?
Answer:
Computation:
2. What is the pH if the hydrogen ion concentration in a vinegar solution is 0.001 M?
Answer:
Computation:
3. At 25 °C, What is the [OH-] if [H+] = 0.1 M ?
Answer:
Computation:
4. What is the pH of blood with [H+] = 4.8 × 10–8 M?
Answer:
Computation:
5. What is the [H+] in orange juice with a pH of 2.75?
Answer:
Computation:
Chapter 16 Solutions
CHEM: THE CENTRAL SCI. + MAST. CHEM V.2
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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