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Jlenok [28]
3 years ago
10

What number is missing from this nuclear equation?

Chemistry
2 answers:
mamaluj [8]3 years ago
6 0
I think the answer is A. 28 because you add 27 + 1 = 28 and add the 13AL and makes 2813AL
I Hope Its Helps
rusak2 [61]3 years ago
5 0
I believe the answer is 27
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Answer:

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[C₆H₅COO⁻][H₃O⁺]/[C₆H₅COOH] = Ka

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The reaction of dissociation of the benzoic acid in water is given by the following equation:

C₆H₅-COOH + H₂O  ⇄  C₆H₅-COO⁻  +  H₃O⁺    (1)

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<em>Where the dissociation constant of the acid (Ka) is equal to the ratio of the concentration of the dissociated forms of the acid, [A⁻][H⁺], and the concentration of the acid, [HA].     </em>

So, starting from the equations (2) and (3), the constant equation for the dissociation reaction of benzoic acid in water, of the equation (1), is:

K_{a} = \frac{[C_{6}H_{5}COO^{-}][H_{3}O^{+}]}{[C_{6}H_{5}COOH]}

I hope it helps you!          

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