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ElenaW [278]
3 years ago
14

A chemist is using a solution of HNO3 that has a pH of 3.75.

Chemistry
2 answers:
elena-s [515]3 years ago
5 0
What you have to keep in mind is that 
pH   =  - log[H+]
so 3.75 = -log[H+], we get [H+]=10^{-3.75},
that is [H+]≈1.77827941×10^{-4}(i see this result on calculator)
this is just what you want!

kvv77 [185]3 years ago
3 0

In the box the correct answer is 1.78 and n is equal to -4.  The answer to the next question is A.

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