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2 years ago

PLSSS HELP FAST

Chemistry

1 answer:

Aliun [14]2 years ago

7 0

Note the formula

$\boxed{\sf Mass\:no=No\:of\:protons+No\:of\:neutrons}$

For X:-

No of protons:-

$\\ \sf\longmapsto 19-10=9protons$

It is Fluorine.

For Y:-

No of protons:-

$\\ \sf\longmapsto 16-8=8protons$

It is Oxygen.

Option D is correct

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Answer:

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Explanation:

The initial pH of the buffer solution can be found using the Henderson-Hasselbalch equation:

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Therefore, the pH of the resulting solution is 9.02.

I hope it helps you!

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