Part E If the solution is neutral what is the value of pH? Express your answer u

Question

Part E If the solution is neutral what is the value of pH?

Express your answer using one decimal place.

pH =

Part F If the [OH] in a solution is 4×105M, what is the [H3O+]?

Express your answer to one significant figure.

H3O+] = M

Part G If the [OH] in a solution is 4×105M, what is the pH of the solution?

Express your answer using one decimal place. pH =

Part H If the [H3O+] in a solution is 1×102M, what is the [OH]?

Express your answer to one significant figure.

[OH] = M

Part I If the [H3O+] in a solution is 1×102M, what is the pH?

Express your answer using one decimal place.

pH =

Part J If the pH of the solution is 12.2, what is the [H3O+]?

Express your answer to one significant figure.

[H3O+] = M

Part K If the pH of the solution is 12.2, what is the [OH]?

Express your answer to one significant figure.

[OH] = M

Explanation / Answer

Part E )   pH = 7.0

Part F :

[H3O+] = Kw / [OH-] = 1.0 x 10^-14 / 4 x 10^-5

[H3O+] = 2 x 10^-10 M

Part G : )

pOH = -log [OH-] = -log (4 x 10^-5) = 4.4

pH + pOH = 14

pH = 9.6

Part H )

[OH] = 1 x 10^-12 M

Part I )

pH = 2.0

Part J)

[H3O+] = 10^-PH

[H3O+] = 6 x 10^-13 M

Part K )

[OH-] = 0.02 M

[OH] = M

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