Answer to Question #186302 in General Chemistry for José Ramos

General Chemistry

Question #186302

Calculate [h3o+] at 25 grades celsius when [oh-]=2.5 x 10 ^-9M

Expert's answer

$[H_3O^{+}]=\frac {K_w} {[OH^-] }$

$[H_3O^+]=\frac {1.0×10 ^{-14}}{2.5×10 ^{-9}}$

$[H_3O^+]=4.0×10 ^{-6}M$

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