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A chemist dissolves 319.mg of pure potassium hydroxide in enough water to make up 60.mL of solution. Calculate the pH of the solution. (The temperature of the solution is 25°C.) Be sure your answer has the correct number of significant digits.

Question

A chemist dissolves 319.mg of pure potassium hydroxide in enough water to make up 60.mL of solution. Calculate the pH of the solution. (The temperature of the solution is 25°C.) Be sure your answer has the correct number of significant digits.

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Step 1
maes
KOH is caleulated
The numbex
bollows
Hiven
Y =
koH
mass
Molar ma
56-1056 awo
-3
5.69X lo Mol
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maes KOH is caleulated The numbex bollows Hiven Y = koH mass Molar ma 56-1056 awo -3 5.69X lo Mol

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Step 2
The concentratiou koH io caleulated
allows
Nuber of noles y l000
Ndlune C
tonceutalion
5. 69 X lo
x 1000
0.095 mol L
1
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The concentratiou koH io caleulated allows Nuber of noles y l000 Ndlune C tonceutalion 5. 69 X lo x 1000 0.095 mol L 1

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Step 3
Tt is assumed that the [KoH - [oH
[OH o045
[он ] :
Рон -
le (o095)
- 022)
1
pOH
help_outline

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Tt is assumed that the [KoH - [oH [OH o045 [он ] : Рон - le (o095) - 022) 1 pOH

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