Socrates Was Killed by a Dose of Hemlock, Which Is

question 96

Multiple Choice

Socrates was killed by a dose of hemlock, which is a poisonous herb in the carrot family. In a combustion experiment, 50.05 mg of the poisonous compound in hemlock was burned in excess oxygen to give 140.8 mg of CO₂ and 54.2 mg of H₂O. In a second experiment, it was determined that the compound is composed of only carbon, hydrogen, and nitrogen and has a molar mass less than 200 g/mol. What is the molecular formula of the poisonous compound in hemlock? Respond with the sum of the C, N, and H atoms in this compound. For example, if the molecular formula were CNH₂, you would respond 4.

• A) 18
• B) 12
• C) 24
• D) 36
• E) 30

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Definitions:

Numerical

Relating to numbers or the use of numbers, typically involving data or quantities that can be measured or quantified.

Categorical Data

Data that represent characteristics and can be divided into groups or categories.

Quantitative Data

Numerical data that can be measured or counted and used for mathematical calculations and statistical analysis.

Sample Mean

The average value of a set of observations taken from a sample.