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Estimate A Proton Concentration For An Aqueous Solution

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4. 4.51
009 5.0 points
Which of the answers below is the most rea-
sonable estimate of the proton concentration,
[H*], for an aqueous solution of 2 x 10-8 M
HNO:?
1. 2 x 10-8 M
2. 4.04 x 10-14
3. 1.00 x 10-7
4. 1.105 x 10-7
010 5.0 points
One liter of a buffer containing 0.5 M NH3
and 0.5 M NHT has a pH of 9.3. If 200 mL of
1 M LiOH is added to it, what is the new pH?
1. 9.6
2 . 8.9
3. 4.4Science