General, Organic, and Biological Chemistry - 4th edition
4th Edition
ISBN: 9781259883989
Author: by Janice Smith
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 8.2, Problem 8.1PP
Using the given number of moles, determine how many equivalents of each ion are present.
a. 1 mol
b. 1 mol
c. 0.5 mol
d. 0.5 mol
More Practice: Try Problem 8.29.
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I JUST GOT an answer, but i think it is wrong, in the answer you write:
0.233 mol/0.1 L = 0.0233 M
But I get 2.33 !! that will change the pH.
Please give me my question back if the previous answer was wrong.
Step 1
Given that,
Percentage of acetic acid solution = 14%
It means, 14 g of acetic acid dissolved in 100 g or 100 mL of water.
Moles of acetic acid in 14 g = 14 g/60.052 g/mol
= 0.233 mol
Molarity of 0.233 mol of 100 mL acetic acid solution = 0.233 mol/0.1 L = 0.0233 M
Ka value of acetic acid = 1.7×10-5
Step 2
Now, acetic acid dissociates in water as follows;
CH3COOH <----> CH3COO- + H+
Ka = [CH3COO- ][H+]/[CH3COOH]
Let, [CH3COO- ] = [H+] = x
Then we have,
1.7×10-5 = x.x/0.0233M
x = 0.629×10-3 M
Now, pH of the acetic acid solution will be
pH = -log[H+]
= -log0.629×10-3 M
= 2.8
1) LiF has a pKsp of 2.77. HF has a pKa of 3.17. LiF is dissolved at 0.250 F after addition of strong acid. What is the pH of the 0.250 F LiF solution?
Answer: 1.62
2) For the problem above, how many moles of strong acid are added to form 1.000 L of solution?
Answer: ?
Please solve the second question, not the first question.
Need for CLF3.
CHECK OTHER IMAGE FOR SAMPLES I NEED LIKE THIS SOLUTIONS OK.
OTHER IMAGE I NEED INFORMATION FOR CLF3 OK
FOLLOW INSTRUCTIONS AND SAMPLES THANKS.
Chapter 8 Solutions
General, Organic, and Biological Chemistry - 4th edition
Ch. 8.1 - Classify each substance as a heterogeneous...Ch. 8.1 - Use the appearance of each product to classify it...Ch. 8.2 - Consider the following diagrams for an aqueous...Ch. 8.2 - Classify each solution as an electrolyte or...Ch. 8.2 - Using the given number of moles, determine how...Ch. 8.2 - Prob. 8.2PPCh. 8.2 - A solution contains the following ions:...Ch. 8.2 - If a solution contains 125 mEq of Na+ per liter,...Ch. 8.3 - Which compounds are water soluble? a. NaNO3 b. CH4...Ch. 8.3 - Prob. 8.7P
Ch. 8.3 - Use the solubility rules to predict whether the...Ch. 8.3 - Use the solubility rules for ionic compounds to...Ch. 8.4 - Why does a soft drink become "flat" faster when it...Ch. 8.4 - Predict the effect each change has on the...Ch. 8.5 - A commercial mouthwash contains 4.3 g of ethanol...Ch. 8.5 - What is the weight/volume percent concentration of...Ch. 8.5 - Prob. 8.6PPCh. 8.5 - Prob. 8.7PPCh. 8.5 - A drink sold in a health food store contains 0.50%...Ch. 8.5 - Prob. 8.12PCh. 8.5 - What is the concentration in parts per million of...Ch. 8.6 - Prob. 8.10PPCh. 8.6 - Prob. 8.13PCh. 8.6 - Prob. 8.11PPCh. 8.6 - Prob. 8.12PPCh. 8.6 - How many grams of NaCl are contained in each of...Ch. 8.6 - How many milliliters of a 0.25 M sucrose solution...Ch. 8.7 - What is the concentration of a solution formed by...Ch. 8.7 - If the solution of A+B- in X is diluted, which...Ch. 8.7 - Prob. 8.15PPCh. 8.7 - Prob. 8.16PCh. 8.8 - What is the boiling point of a solution prepared...Ch. 8.8 - Representations A, B, and C each show an aqueous...Ch. 8.8 - Prob. 8.18PPCh. 8.8 - What is the melting point of a solution that is...Ch. 8.9 - Which solution in each pair exerts the greater...Ch. 8.9 - Prob. 8.19PCh. 8.9 - Consider the two aqueous solutions separated by a...Ch. 8.9 - What happens to a red blood cell when it is placed...Ch. 8 - Prob. 21PCh. 8 - Prob. 22PCh. 8 - Prob. 23PCh. 8 - Which representation of molecular art better shows...Ch. 8 - Classify each of the following as a solution,...Ch. 8 - Classify each of the following as a solution,...Ch. 8 - Prob. 27PCh. 8 - Label each diagram as a strong electrolyte, weak...Ch. 8 - Prob. 29PCh. 8 - Prob. 30PCh. 8 - Prob. 31PCh. 8 - Prob. 32PCh. 8 - Consider a mixture of two substances shown in blue...Ch. 8 - Which diagram (C or D) best represents what occurs...Ch. 8 - If the solubilityofKClin 100 mL of H2O is 34 g at...Ch. 8 - If the solubilityofsucrosein 100 mL of H2O is 204...Ch. 8 - Prob. 37PCh. 8 - Prob. 38PCh. 8 - Using the ball-and-stick model for methanol...Ch. 8 - Prob. 40PCh. 8 - Prob. 41PCh. 8 - Prob. 42PCh. 8 - Prob. 43PCh. 8 - Prob. 44PCh. 8 - Prob. 45PCh. 8 - Prob. 46PCh. 8 - Prob. 47PCh. 8 - How is the solubility of helium gas in water...Ch. 8 - Use the solubility rules listed in Section 8.3B to...Ch. 8 - Use the solubility rules listed in Section 8.3B to...Ch. 8 - Prob. 51PCh. 8 - Prob. 52PCh. 8 - Prob. 53PCh. 8 - Prob. 54PCh. 8 - Prob. 55PCh. 8 - Prob. 56PCh. 8 - Prob. 57PCh. 8 - Prob. 58PCh. 8 - How would you use a 250-mL volumetric flask to...Ch. 8 - How would you use a 250-mLvolumetric flask to...Ch. 8 - Prob. 61PCh. 8 - Prob. 62PCh. 8 - Prob. 63PCh. 8 - Prob. 64PCh. 8 - Prob. 65PCh. 8 - What is the molarity of a 20.0% (v/v) aqueous...Ch. 8 - Prob. 67PCh. 8 - Prob. 68PCh. 8 - Prob. 69PCh. 8 - Prob. 70PCh. 8 - Prob. 71PCh. 8 - Prob. 72PCh. 8 - Prob. 73PCh. 8 - Prob. 74PCh. 8 - Prob. 75PCh. 8 - Prob. 76PCh. 8 - Prob. 77PCh. 8 - Representations A (containing 1.0 mol ofNaCl) and...Ch. 8 - What is the boiling point of a solution that...Ch. 8 - Prob. 80PCh. 8 - If 150 g of ethylene glycol (C2H6O2) is added to...Ch. 8 - Prob. 82PCh. 8 - Prob. 83PCh. 8 - Prob. 84PCh. 8 - Which solution in each pair has the higher melting...Ch. 8 - Prob. 86PCh. 8 - A flask contains two compartments (A and B) with...Ch. 8 - A flask contains two compartments (A and B) with...Ch. 8 - The molecular art illustrates a red blood cell in...Ch. 8 - Prob. 90PCh. 8 - Prob. 91PCh. 8 - Explain why more sugar dissolves in a cup of hot...Ch. 8 - If the concentration of glucose in the blood is...Ch. 8 - Prob. 94PCh. 8 - Mannitol, a carbohydrate, is supplied as a 25%...Ch. 8 - A patient receives 750 ml, of a 10.% (w/v) aqueous...Ch. 8 - Explain why a cucumber placed in a concentrated...Ch. 8 - Explain why a cucumber placed in a concentrated...Ch. 8 - Prob. 99PCh. 8 - Prob. 100PCh. 8 - Prob. 101PCh. 8 - Prob. 102PCh. 8 - The therapeutic concentration—the concentration...Ch. 8 - Prob. 104CP
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