Chemistry: The [OH-] of an aqueous solution is 6.4 x 10-5 M. What is the [H3O+]?

The [OH-] of an aqueous solution is 6.4 x 10-5 - id641056490331, lazavionadams81

Ответ:

felipe9086

26.01.2022

Chemistry

The [H_3O^+] is $1.55\times 10^{-10}M$

Explanation:

pH or pOH is the measure of acidity or alkalinity of a solution.

pOH is calculated by taking negative logarithm of hydroxide ion concentration.

$pOH=-\log [OH^-]$

Putting in the values:

$pOH=-\log[6.4\times 10^{-5}]$

pOH=4.19

pH+pOH=14

pH=9.81

$9.81=-\log [H_3O^+]$

$[H_3O^+]=1.55\times 10^{-10}$

Thus the [H_3O^+] is $1.55\times 10^{-10}M$

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Ответ:

nicolasjarrin

06.11.2021

Chemistry

when the water is frozen, the molecules are tight and bunched together because its a solid. Although that the molecules seem to be tight, it does not meant that the molecules are not moving. The molecules in H 2 O solid form makes them move fast as in vibration. If the H 2 O was in liquid form, the molecules would be spread out and there would be plenty of room to move. But if the H 2 O is a gas, the molecules are even more loose that the liquid and they do whatever they choose to.

Explanation:

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The [OH-] of an aqueous solution is 6.4 x 10-5 M. What is the [H3O+]?

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