What Is the Boiling Point of a Solution Containing

question 5

Multiple Choice

What is the boiling point of a solution containing
0.80 g caffeine,C₈H₁₀N₄O₂,dissolved in 13.20 g benzene? The boiling point of pure benzene is 80.1°C and the molal boiling point constant,K_b,is 2.53°C/m.

• A) 79.8°C
• B) 80.4°C
• C) 80.9°C
• D) 85.2°C
• E) 88.2°C

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Definitions:

Sum Of Squares

A statistical measure that quantifies the variation or dispersion of a set of data points, by calculating the sum of the squared differences from the mean.

Best-Fitting Line

A line through a scatter plot of data points that best expresses the relationship between those points.

Observed Errors

The discrepancies between measured values and their true, expected, or theoretical values.

Systematic Risk

The risk inherent to the entire market or market segment, not reducible by diversification.