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What is the ionization constant at $25^{\circ} \m…
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Problem 1 Problem 2 Problem 3 Problem 4 Problem 5 Problem 6 Problem 7 Problem 8 Problem 9 Problem 10 Problem 11 Problem 12 Problem 13 Problem 14 Problem 15 Problem 16 Problem 17 Problem 18 Problem 19 Problem 20 Problem 21 Problem 22 Problem 23 Problem 24 Problem 25 Problem 26 Problem 27 Problem 28 Problem 29 Problem 30 Problem 31 Problem 32 Problem 33 Problem 34 Problem 35 Problem 36 Problem 37 Problem 38 Problem 39 Problem 40 Problem 41 Problem 42 Problem 43 Problem 44 Problem 45 Problem 46 Problem 47 Problem 48 Problem 49 Problem 50 Problem 51 Problem 52 Problem 53 Problem 54 Problem 55 Problem 56 Problem 57 Problem 58 Problem 59 Problem 60 Problem 61 Problem 62 Problem 63 Problem 64 Problem 65 Problem 66 Problem 67 Problem 68 Problem 69 Problem 70 Problem 71 Problem 72 Problem 73 Problem 74 Problem 75 Problem 76 Problem 77 Problem 78 Problem 79 Problem 80 Problem 81 Problem 82 Problem 83 Problem 84 Problem 85 Problem 86 Problem 87 Problem 88 Problem 89 Problem 90 Problem 91 Problem 92 Problem 93 Problem 94 Problem 95 Problem 96 Problem 97 Problem 98 Problem 99 Problem 100 Problem 101 Problem 102 Problem 103 Problem 104 Problem 105 Problem 106 Problem 107 Problem 108 Problem 109 Problem 110 Problem 111 Problem 112 Problem 113 Problem 114 Problem 115 Problem 116

Problem 35 Easy Difficulty

What is the ionization constant at $25^{\circ} \mathrm{C}$ for the weak acid $\mathrm{CH}_{3} \mathrm{NH}_{3}^{+},$ the conjugate acid of the weak base $\mathrm{CH}_{3} \mathrm{NH}_{2}, K_{\mathrm{b}}=4.4 \times 10^{-4}$

Answer

$K_{a}=2.3 \cdot 10^{-11}$

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Chemistry 102
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Chapter 14

Acid-Base Equilibria

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Watch More Solved Questions in Chapter 14

Problem 1
Problem 2
Problem 3
Problem 4
Problem 5
Problem 6
Problem 7
Problem 8
Problem 9
Problem 10
Problem 11
Problem 12
Problem 13
Problem 14
Problem 15
Problem 16
Problem 17
Problem 18
Problem 19
Problem 20
Problem 21
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Problem 24
Problem 25
Problem 26
Problem 27
Problem 28
Problem 29
Problem 30
Problem 31
Problem 32
Problem 33
Problem 34
Problem 35
Problem 36
Problem 37
Problem 38
Problem 39
Problem 40
Problem 41
Problem 42
Problem 43
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Problem 48
Problem 49
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Problem 89
Problem 90
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Problem 97
Problem 98
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Problem 100
Problem 101
Problem 102
Problem 103
Problem 104
Problem 105
Problem 106
Problem 107
Problem 108
Problem 109
Problem 110
Problem 111
Problem 112
Problem 113
Problem 114
Problem 115
Problem 116

Video Transcript

problem. 35 from Chapter 14 is asking us to calculate the K a massive ionization constants the C h, the image you plus, which is the consequent acid to the weak base metal. I mean, we're giving the K B or based ionization constants of metal on me, which is 4.4 times 10 to the negative four. Um, so we know that k a k b equal k w We'll write that out. So be acid ionization constant multiplied by the base ionization constant is equal to kw or one times 10 to the minus 14. So all we really need to do to answer this question to solve for K A is just rearranges equation, um, in that will give us, um, kw divided by que me is going to equal. Okay, So let's go ahead and put the values and that we were given. So one times 10 to the minus 14 divided by 4.4 times 10 to the minus four. And when we do that, we are given a K A of 2.3 times 10 to the minus 11 and that is our kay

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