Exercise 15.8.3 A. If moist soil has a pH of 7.84, find the [H3O+] and [OH-] of the soil sample. B. When lime (CaO) is added to this soil, its pH increases to 8.42. Find the new [H3O+] and [OH-] of the soil sample. C. When sulfur is added to this soil, its pH decreases to 6.57. What is the new [H3O+] and [OH-] of the sample? Answer A [H3O+] = 1.4 × 108 M; [OH-] = 6.9 × 107 M Answer B [H3O+] = 3.8 × 10 M; [OH-] = 2.6 × 106 M Answer C [H3O+] =2.7 x 10-7 M; [OH-] = 3.7 × 108 M
Exercise 15.8.3 A. If moist soil has a pH of 7.84, find the [H3O+] and [OH-] of the soil sample. B. When lime (CaO) is added to this soil, its pH increases to 8.42. Find the new [H3O+] and [OH-] of the soil sample. C. When sulfur is added to this soil, its pH decreases to 6.57. What is the new [H3O+] and [OH-] of the sample? Answer A [H3O+] = 1.4 × 108 M; [OH-] = 6.9 × 107 M Answer B [H3O+] = 3.8 × 10 M; [OH-] = 2.6 × 106 M Answer C [H3O+] =2.7 x 10-7 M; [OH-] = 3.7 × 108 M
Chemistry
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Chapter1: Chemical Foundations
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![Exercise 15.8.3
A. If moist soil has a pH of 7.84, find the [H3O+] and [OH] of the soil sample.
B. When lime (CaO) is added to this soil, its pH increases to 8.42. Find the new [H3O+] and [OH-] of the soil sample.
C. When sulfur is added to this soil, its pH decreases to 6.57. What is the new [H3O+] and [OH] of the sample?
Answer A
[H3O+] = 1.4 x 10-8 M; [OH-] = 6.9 × 107 M
Answer B
[H3O+] = 3.8 x 10-9 M; [OH-] = 2.6 × 10 M
Answer C
[H3O+]=2.7 x 10-7 M; [OH-] = 3.7 x 10-8 M](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F66d3d6e4-54c3-43a7-8021-ac573da57f53%2F5b968f03-eaef-44a0-9c54-7d484e29ad29%2Fk96lmlp_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Exercise 15.8.3
A. If moist soil has a pH of 7.84, find the [H3O+] and [OH] of the soil sample.
B. When lime (CaO) is added to this soil, its pH increases to 8.42. Find the new [H3O+] and [OH-] of the soil sample.
C. When sulfur is added to this soil, its pH decreases to 6.57. What is the new [H3O+] and [OH] of the sample?
Answer A
[H3O+] = 1.4 x 10-8 M; [OH-] = 6.9 × 107 M
Answer B
[H3O+] = 3.8 x 10-9 M; [OH-] = 2.6 × 10 M
Answer C
[H3O+]=2.7 x 10-7 M; [OH-] = 3.7 x 10-8 M
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