Question

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Answer 1

you have to find the moles of acid and the moles of base, which will cancel, find the one that has more.

Answer 2

use: molarity=moles/L of solution

and then to find the pH=-log[H3O+]

Answer 3

your thought process is correct, but you would have

0.001 moles OH-
0.002 moles H+ (because it's a diprotic acid, meaning 2 H+'s)

Answer 4

yeah, you need to divide by 2 and take into account the total volume when calculating the final pH

Answer 5

cool, thanks!

Answer 6

no problem !