A Beaker Contains 100 ML of NaOH Solution at PH

question 121

Multiple Choice

A beaker contains 100 mL of NaOH solution at pH = 13. A technician carefully pours into the beaker 10 mL of HCl at pH = 1. Which of the following statements correctly describes the results of this mixing?

• A) The concentration of Na+ ion will rise.
• B) The concentration of Cl- ion will be 0.1 M.
• C) The concentration of undissociated H2O molecules will remain unchanged.
• D) The pH of the beaker's contents will be neutral.
• E) The pH of the beaker's contents will decrease.

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Definitions:

T Represent

In statistics, "T" often stands for the t-statistic, used in t-tests to compare the means of two groups.

Test Statistic

A value calculated from sample data during a hypothesis test, used to determine whether to reject the null hypothesis.

Number of Participants

Refers to the total count of individuals involved in a study or experiment, providing a base for drawing conclusions.

T Test

A statistical test used to compare the means of two groups to see if they are significantly different from each other.