What Is the Concentration of HCl in the Final Solution

question 102

Multiple Choice

What is the concentration of HCl in the final solution when 65 mL of a 12 mol L^-1 HCl solution is diluted with pure water to a total volume of 0.15 L?

• A) 2.8 × 10^-2 mol L^-1
• B) 5.2 mol L^-1
• C) 28 mol L^-1
• D) 5.2 × 10³ mol L^-1

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Definitions:

Test Statistic

A calculated value that is used in statistical tests to determine whether to reject the null hypothesis, based on sample data.

P-Value

The probability of getting the observed value of the test statistic, or one more extreme, assuming the null hypothesis is true.

Level Of Significance

The probability of rejecting the null hypothesis when it is true, typically set as a threshold like 0.05 or 0.01 before conducting a hypothesis test.

Sample Size

Refers to the number of observations or elements selected from a population to conduct a study.