Calculate the PH of a 0 $\times$ 10^-5;K_a2 is 1 $\times$ 10^-12)

question 53

Multiple Choice

Calculate the pH of a 0.04 M solution of ascorbic acid (K_a1 = 7.9 $\times$ 10^-5;K_a2 is 1.6 $\times$ 10^-12) .

• A)11.2
• B)2.8
• C)5.5
• D)8.5
• E)11.8

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Definitions:

Limb Defects

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Miscarriage

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Gestational Age

The age of an embryo or fetus (or newborn) calculated from the number of weeks that have elapsed since the first day of the last menstrual period of the pregnant woman.

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A prenatal test involving sampling of the placental tissue to test for chromosomal abnormalities in the fetus.