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Pavlova-9 [17]
3 years ago
9

What is -56 divided by 8

Mathematics
2 answers:
irinina [24]3 years ago
8 0

-56 divided by 8 is -7.

antoniya [11.8K]3 years ago
5 0
The answer is -7 ............
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Butyric acid ( c3h7cooh) is a weak acid . what is the ph of a 0.0250 m solution of this acid. ka = 1.5 x 10-5 (2 decimal places)
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The pH of the weak acid is 3.21

Butyric acid is known as a weak acid, we need the concentration of [H+] formula of weak acid which is given by this equation :

[H^{+}]=\sqrt{Ka . Ma}

where [H+] is the concentration of ion H+, Ka is the weak acid ionization constant, and Ma is the acid concentration.

Since we know the concentration of H+, the pH can be calculated by using

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From question above, we know that :

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By using the equation, we can determine the concentration of [H+]

[H+] = √(Ka . Ma)

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Substituting the value of [H+] to get the pH

pH = -log[H+]

pH = -log(6.12 x 10¯⁴)

pH = 3.21

Hence, the pH of the weak acid c3h7cooh is 3.21

Find more on pH at: brainly.com/question/14466719

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