Answered

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- What is the concentration of hydrogen ions if the pH is 12?

Sagot :

jemalbedilu

Answer:

There are

1.479

×

10

−

13

concentration of hydrogen ions

m

o

l

L

.

Explanation:

Because pH is a logarthmic scale, we can use the formula:

[

H

+

]

=

10

-pH

. Where...

=>

[

H

+

]

is the concentration of hydrogen ions in the solution.

=>

p

H

is the pH of the solution.

=> Where

10

is the base of the power - it's a logarithm formula.

We can now just sub in the values and solve for [

H

+

]

.

[

H

+

]

=

10

-pH

=

10

−

(

12.83

)

=

1.479108388

×

10

−

13

We can round (if required) to

1.479

×

10

−

13

.

Thus, there are

1.479

×

10

−

13

concentration of hydrogen ions

m

o

l

L

.

Hope this helps :)

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