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Author Question: A 0.377-g sample of NaOH(s) is added to enough water to make 250.0 mL of solution. The pH of this solution is: (Read 126 times)

Tirant22

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Question 1

A 0.365 M solution of the salt NaA has a pH of 8.40. Calculate the Ka value of the acid HA.

1.7 × 10–11
1.5 × 10–9
5.8 × 10–4
2.3 × 102
None of these are correct.

Question 2

A 0.377-g sample of NaOH(s) is added to enough water to make 250.0 mL of solution. The pH of this solution is:

1.424
0.424
11.974
12.576
None of these are correct.


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Marked as best answer by Tirant22 on Mar 21, 2021

coyin

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Tirant22

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Reply 2 on: Mar 21, 2021
Great answer, keep it coming :)


irishcancer18

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Reply 3 on: Yesterday
:D TYSM

 

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