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# Chemistry Question?

I am having trouble understanding this section in my chemistry book. Can someone please help me, with the following question and show me how to get the answer.

In an aqueous solution, if the hydronium ion concentration is 1.0

multiplied by 10 to the negative 2 power then the hydroxide ion concetration is 1.0 multiplied by 10 X where X=????

### 5 Answers

- 1 decade agoFavorite Answer
x = -12

Hydroxide (H+) and hydronium (OH-) are inversely related. The product of [H+][OH-] = 10^(-14). In your case, the [H+] is 10^(-2) so dividing 10^(-14) by 10^(-2) gives x, 10^(-12)

- FavouredLv 51 decade ago
Hydronium ion and hydroxide ion are inversely proportional. This means that the more of one you have, the less of the other.

I'm a little rusty at the math, but let have a try:

1 x 10 to the negative 2 power is scientific notation for 0.01.

If we take the inverse of this, it is 100. Or, you can just change the sign of he power (-2 becomes 2)

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- 1 decade ago
If it is supposed to be 10 to the x, then x is negative 1

If it is just ten times x, then x is 1/100

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