A 10-Liter Solution Contains 0

question 40

Multiple Choice

A 1.0-liter solution contains 0.25 M HF and 0.33 M NaF (K_a for HF is 7.2 × 10^-4) . If one adds 0.30 liters of 0.020 M KOH to the solution,what will be the change in pH?

• A) 0.02
• B) 3.28
• C) 0.14
• D) -0.11
• E) -0.28

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Definitions:

Correlation

A statistical measure that indicates the extent to which two or more variables fluctuate together.

Correlation Coefficients

Statistical measures that quantify the degree to which two variables are related or move together, ranging from -1 to +1.

Correlation Coefficient

A numerical indicator that shows the degree to which two or more variables move in conjunction with each other.

Negative Correlation

A relationship between two variables where one variable increases as the other decreases, indicating an inverse relationship.