The PH of a Certain Solution Is 2

question 41

Multiple Choice

The pH of a certain solution is 2.0. How many H⁺(aq) ions are there in 1.0 L of the solution?

• A)0.01 ions
• B)100 ions
• C)2 ions
• D)6.* 10²¹ ions
• E)6.* 10²³ ions

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Definitions:

Covariance

A measure that indicates the extent to which two variables change together, but does not specify the nature of the relationship.

Linear Relationship

A relationship between two variables where the change in one variable is proportional to the change in another variable.

Least Squares Method

A mathematical technique used in regression analysis to minimize the sum of the squares of the differences between observed and predicted values.

Sum of Squares

A statistical measure that quantifies the total deviation of data points from their mean, often used in variance and standard deviation calculations.