A Sample of Water from the Chesapeake Bay Has [H₃O⁺]=3

question 59

Multiple Choice

A sample of water from the Chesapeake Bay has [H₃O⁺]=3.1 × 10^-9 M. Which statement below accurately describes this water sample?

• A)The pH of the water sample is 7.5.
• B)The water sample is a basic solution.
• C)The water sample doesn't contain any hydroxide ions.
• D)The water sample has a higher concentration of hydronium ions than pure water does.

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Definitions:

Dunnett Test

Statistical procedure used to control familywise error when comparing each group with a single reference group.

Watching Condition

A scenario or setup in experiments where subjects observe events or behaviors without intervening, often used to gather naturalistic data.

Predicting Condition

Refers to specifying the criteria or conditions under which certain outcomes are expected to occur.

Dunnett Test

A post hoc test used after ANOVA to compare multiple groups against a single control group, assessing if there are significant differences between the control and each of the other groups.