21-11-2021
Chemistry

contestada

what is the ka for 0.03M Solution of HClO4 for 1.90 PH value.

A) 7.2x10^-3
B) 8.27x10^-3
C) 8.27x10^-4
D) 6.27x10^-4

(I keep getting 5x10^-3 when I round all the values to 2 decimal places but it’s not in the options)

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17whitakerj 17whitakerj

21-11-2021

Which calculator have u got?

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