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H expresses the molar concentration of hydronium ions in an queous solution on a logarithmic scale. (Note that it is ommon to use the hydrogen ion, H*, to represent the ydronium ion, H3O*.) pH = -log[H3O+] [H3O+] = 10-PH s pH decreases, acidity increases. As pH increases, acidity ecreases. 7 • Acidic solution: pH <7 • Neutral solution: pH = 7 • Basic solution: pH > 7 Part A - Calculating pH Submit T 101 102 103 104 105 106 107 108 109 10-10 10-11 10-12 10-13 10-14 [H₂O+] i Acidic pH 01 stomach acid 2 lemon juice 3 4 1 wine tomatoes vinegar. soft drinks, beer 5 black coffee 6 Neutral urine milk 7 8 human blood pure water sea- water 9 10 11 12 13 14 1 milk of magnesia house- hold ammonia baking soda oven cleaner Basic household bleach Adapted from Biological Science by Freeman © 2008 Pearson Education, In What is the pH of an aqueous solution with the hydronium ion concentration [H3O+] = 2 x 10-14 M? Make sure that your answer has the correct number of significant figures. For help determining the correct number of significant figures, see Hint 3. View Available Hint(s)

H expresses the molar concentration of hydronium ions in an queous solution on a logarithmic scale. (Note that it is ommon to use the hydrogen ion, H*, to represent the ydronium ion, H3O*.) pH = -log[H3O+] [H3O+] = 10-PH s pH decreases, acidity increases. As pH increases, acidity ecreases. 7 • Acidic solution: pH <7 • Neutral solution: pH = 7 • Basic solution: pH > 7 Part A - Calculating pH Submit T 101 102 103 104 105 106 107 108 109 10-10 10-11 10-12 10-13 10-14 [H₂O+] i Acidic pH 01 stomach acid 2 lemon juice 3 4 1 wine tomatoes vinegar. soft drinks, beer 5 black coffee 6 Neutral urine milk 7 8 human blood pure water sea- water 9 10 11 12 13 14 1 milk of magnesia house- hold ammonia baking soda oven cleaner Basic household bleach Adapted from Biological Science by Freeman © 2008 Pearson Education, In What is the pH of an aqueous solution with the hydronium ion concentration [H3O+] = 2 x 10-14 M? Make sure that your answer has the correct number of significant figures. For help determining the correct number of significant figures, see Hint 3. View Available Hint(s)

Biochemistry
Biochemistry
9th Edition
ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Chapter1: Biochemistry: An Evolving Science
Section: Chapter Questions
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pH expresses the molar concentration of hydronium ions in an aqueous solution on a logarithmic scale. (Note that it is common to use the hydrogen ion, H*, to represent the hydronium ion, H3O+.) pH = -log[H3O+] [H3O+] = 10-PH As pH decreases, acidity increases. As pH increases, acidity decreases. • Acidic solution: pH < 7 • Neutral solution: pH = 7 • Basic solution: pH > 7 Part A - Calculating pH Submit [H₂0+] 1 Acidic pH 01 10¹ 102 103 104 105 106 107 108 109 10-10 10-11 10-12 10-13 10-14 stomach acid 3 wine lemon tomatoes juice vinegar, black soft drinks, coffee beer 6 Neutral urine milk 7 human blood pure water sea- water baking soda 10 11 12 13 14 milk of magnesia house- hold ammonia oven cleaner Basic household bleach Adapted from Biological Science by Freeman ©2008 Pearson Education, Inc. What is the pH of an aqueous solution with the hydronium ion concentration [H3O+] = 2 x 10-14 M? Make sure that your answer has the correct number of significant figures. For help determining the correct number of significant figures, see Hint 3. ► View Available Hint(s)
Transcribed Image Text:pH expresses the molar concentration of hydronium ions in an aqueous solution on a logarithmic scale. (Note that it is common to use the hydrogen ion, H*, to represent the hydronium ion, H3O+.) pH = -log[H3O+] [H3O+] = 10-PH As pH decreases, acidity increases. As pH increases, acidity decreases. • Acidic solution: pH < 7 • Neutral solution: pH = 7 • Basic solution: pH > 7 Part A - Calculating pH Submit [H₂0+] 1 Acidic pH 01 10¹ 102 103 104 105 106 107 108 109 10-10 10-11 10-12 10-13 10-14 stomach acid 3 wine lemon tomatoes juice vinegar, black soft drinks, coffee beer 6 Neutral urine milk 7 human blood pure water sea- water baking soda 10 11 12 13 14 milk of magnesia house- hold ammonia oven cleaner Basic household bleach Adapted from Biological Science by Freeman ©2008 Pearson Education, Inc. What is the pH of an aqueous solution with the hydronium ion concentration [H3O+] = 2 x 10-14 M? Make sure that your answer has the correct number of significant figures. For help determining the correct number of significant figures, see Hint 3. ► View Available Hint(s)
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