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Part A
Complete the first row.
Express your answer using two significant figures.
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Part B
Complete the first row.
Express your answer using two decimal places.
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| [OH−] = | 3.6•10.10 | M | |||||||||||
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Part C
Complete the first row.
Express your answer using two decimal places.
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| pH = | 8 | |||||||||||
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Part D
Complete the first row. Indicate whether the solution is acidic or basic.
Complete the first row. Indicate whether the solution is acidic or basic.
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| pOH = | 5.7 | |||||||||||
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Correct
Part E
Complete the second row.
Express your answer using two significant figures.
| acidic |
| basic |
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Part F
Complete the second row.
Express your answer using two decimal places.
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| [H+] = | M | ||||||||||||
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Part G
Complete the second row.
Express your answer using two decimal places.
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| pH = | ||||||||||||
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Part H
Complete the second row. Indicate whether the solution is acidic or basic.
Complete the second row. Indicate whether the solution is acidic or basic.
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| pOH = | ||||||||||||
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Part I
Complete the third row.
Express your answer using two significant figures.
| acidic |
| basic |
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Part J
Complete the third row.
Express your answer using two significant figures.
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| [H+] = | M | ||||||||||||
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Part K
Complete the third row.
Express your answer using two decimal places.
|
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| [OH−] = | M | ||||||||||||
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Part L
Complete the third row. Indicate whether the solution is acidic or basic.
Complete the third row. Indicate whether the solution is acidic or basic.
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| pOH = | ||||||||||||
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Part M
Complete the fourth row.
Express your answer using two significant figures.
| acidic |
| basic |
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Part N
Complete the fourth row.
Express your answer using two significant figures.
|
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| [H+] = | M | ||||||||||||
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Part O
Complete the fourth row.
Express your answer using two decimal places.
|
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| [OH−] = | M | ||||||||||||
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Part P
Complete the fourth row. Indicate whether the solution is acidic or basic.
Complete the fourth row. Indicate whether the solution is acidic or basic.
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| pH = | ||||||||||||
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Complete the following table by calculating the missing entries and indicating whether the solution is acidic or basic.
| [H+] | [OH−] | pH | pOH | Acidic or basic? |
| 7.4×10−3M | ||||
| 3.6×10−10M | ||||
| 8.26 | ||||
| 5.72 |
Expert Answer
Given [H+] = 7.4*10^-3 M
As we know that
[H+] [OH-] = 10^-14
[OH-] = (10^-14)/[H+] = (10^-14)/(7.4*10^-3) = 1.35*10^-12 M
pH = – log[H+] = – log(7.4*10^-3) = 2.13 (acidic)
pH + pOH = 14
pOH = 14- pH = 14-2.13 = 11.87
Given [OH-] = 3.6*10^-10 M
As we know that
[H+] [OH-] = 10^-14
[H+] = (10^-14)/[OH-] = (10^-14)/(3.6*10^-10) = 2.77*10^-5 M
pH = – log[H+] = – log(2.77*10^-5) = 4.56 (acidic)
pH + pOH = 14
pOH = 14- pH = 14-4.56 = 9.44
Given pH = 8.26 (basic)
As we know that
pH = – log[H+]
8.26 = -log[H+]
[H+] = 10^(-8.26) = 5.5*10^-9 M
[H+] [OH-] = 10^-14
[OH-] = (10^-14)/[H+] = (10^-14)/(5.5*10^-9) = 1.82*10^-9 M
pH + pOH = 14
pOH = 14- pH = 14-8.26 = 5.74
Given pOH = 5.72
As we know that
pH + pOH = 14
pH = 14- pOH = 14-5.72 = 8.28 (basic)
pH = – log[H+]
8.28 = -log[H+]
[H+] = 10^(-8.28) = 5.25*10^-9 M
[H+] [OH-] = 10^-14
[OH-] = (10^-14)/[H+] = (10^-14)/(5.25*10^-9) = 1.90*10^-6 M
