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Calculate the [H+], pOH, and [OH-] for the following solutions: SHOW WORK And put Answers for concentration[ ] in scientific notation. ( see video for help)
pH 2.90 (the approximate pH of lemon juice



pH 3.86 (the approximate pH of sauerkraut)


pH 10.81 (the approximate pH of milk of magnesia)



pH 4.11 (the approximate pH of orange juice)



pH 11.61 (the approximate pH of household ammonia)



The pH of human blood ranges from 7.35 to 7.45 with it usually being around 7.40. If the blood pH gets below 7.35 a person goes into acidosis. If the pH gets above 7.45 a person goes into alkalosis. Both acidosis and alkalosis can be fatal. How much more acidic is a person’s blood if it has a pH of 7.3 compared to its preferred 7.4? How much more alkaline is a person’s blood if it has a pH of 7.6 rather than its preferred 7.4?

Sagot :

Answer:

Explanation:

pH = -log{H+]

{H+} = 10^(-pH)

pOH = 14 - pH

{OH-} = 10^(-pOH)

pH 2.90 (the approximate pH of lemon juice

{H+} = 10^(-2.9)

pOH = 14 - 2.9 = 11.1

{OH-} = 10^(-pOH) = 10^(-11.1)

 

pH 3.86 (the approximate pH of sauerkraut)

{H+} = 10^(-3.86)

pOH = 14 - 3.86 = 10.14

{OH-} = 10^(-pOH)  = 10^(-10.14)

pH 10.81 (the approximate pH of milk of magnesia)

{H+} = 10^(-10.81)

pOH = 14 - 10.81 = 3.19

{OH-} = 10^(-pOH) = 10^(-3.19)

pH 4.11 (the approximate pH of orange juice)

{H+} = 10^(-4.11)

pOH = 14 - 4.11 = 9.89

{OH-} = 10^(-pOH) = 10^(-9.89)

 

pH 11.61 (the approximate pH of household ammonia)

{H+} = 10^(-11.61)

pOH = 14 - 11.61 = 2.39

{OH-} = 10^(-pOH)  = 10^(-2.39)

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