Problem 16.29 Calculate [H+] for each of the following solutions, and indicate w

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Problem 16.29

Calculate [H+] for each of the following solutions, and indicate whether the solution is acidic, basic, or neutral.

Part A

[OH]= 3.6×104 M .

Express your answer using two significant figures.

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Part B

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Correct

Part C

[OH]= 8.3×109 M .

Express your answer using two significant figures.

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Part D

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Correct

Part E

A solution in which [OH] is 130 times greater than [H+].

Express your answer using two significant figures.

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Part F

Explanation / Answer

part A

[H+] = 10^(-14) / (3.6*10^(-4)) = 2.78*10^-11 M

part B

the solution is basic.

part C

[H+] = 10^(-14) / (8.3*10^(-9)) = 2.78*10^-6 M

part D

the soultion acidic

part E

x^2 = 10^(-14) / 130

x = [H+] = 8.77*10^-9

part F

the solution is basic.

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