The concentration of the hydroxide ion in a solution with pH 4.282 would be 1.91 x [tex]10^{-10}[/tex] M
Recall that:
pH + pOH = 14
Thus, with a pH of 4.282;
pOH = 14 - 4.282
= 9.718
Also recall that:
pOH = -log10 [OH]
9.518 = -log10 [OH]
[OH] = 10^-9.518
= 1.91 x [tex]10^{-10}[/tex] M
More on pH and pOH can be found here: https://brainly.com/question/12175803
