Problem 14.11 Calculate the concentrations of H3O+ and OH?in each of the followi

Question

Problem 14.11

Calculate the concentrations of H3O+ and OH?in each of the following solutions:

Part A

Human blood (pH 7.40)

Express your answers using two significant figures separated by a comma.

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Part B

A cola beverage (pH 2.8)

Express your answers using one significant figure separated by a comma.

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Problem 14.11

Calculate the concentrations of H3O+ and OH?in each of the following solutions:

Part A

Human blood (pH 7.40)

Express your answers using two significant figures separated by a comma.

[H3O+],[OH?]= M

SubmitMy AnswersGive Up

Part B

A cola beverage (pH 2.8)

Express your answers using one significant figure separated by a comma.

[H3O+],[OH?]= M

SubmitMy AnswersGive Up

Explanation / Answer

HUMAN BLOOD PH = 7.4

-log [H3O+] = 7.40

[H30+]= 3.98*10^-8 M

[OH-] = 2.512*10^-7 M

2) Cola, PH= 2.8

-log [H3O+] = 2.8

[H3O+] = 1.58*10^-3 M

[OH-] = 6.3095*10^-12 M

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