Asked by julie

how do i calculate this..

a solution of nitrous acid has a pH of 2.73 what is the [H3O+] ?
Answered by DrBob222
pH = -log(H3O^+)
The nitrous acid bit has nothing to do with the problem. ANY acid or base with a pH of 2.73 will have this H3O^+.
Answered by julie
so is it -log^(2.73) ?
for some reason my calculator wont calculate it
Answered by DrBob222
Sure it will.
2.73 = -log(H3O^+)
-2.73 = log*H3O^+)
Hit the 10^x button and punch in -2.73.
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