Which of the Following Aqueous Solutions Has the Lowest [OH^-]

question 81

Multiple Choice

Which of the following aqueous solutions has the lowest [OH^-]?

• A)a solution with a pH of 3.0
• B)a 1 × 10^-4 M solution of HNO₃
• C)a solution with a pOH of 12.0
• D)pure water
• E)a 1 × 10^-3 M solution of NH₄Cl

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Definitions:

Rh Incompatibility

A condition occurring during pregnancy if a mother's Rh blood type is negative and her fetus's Rh blood type is positive, potentially leading to problems such as hemolytic disease of the newborn.

Fetus

An unborn or unhatched offspring of a mammal, in particular, a human more than eight weeks after conception.

Thalidomide

A medication that caused birth defects when it was given to pregnant women during the 1950s and 1960s, notably used initially as a sedative and for morning sickness.

Pregnant Women

Refers to females who are in the state of carrying a developing embryo or fetus within the uterus.