What Is the Molecular Formula of a Compound That Is

question 161

Multiple Choice

What is the molecular formula of a compound that is 67.5% C, 12.7% H and 19.7% N that has a molar mass of 142 g/mol?

• A) C₉H₂₀N
• B) C₈H₁₈N₂
• C) C₇H₁₆N₃
• D) C₄H₉N
• E) none of these

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Studentized Residuals

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R-Squared

A statistical measure that represents the portion of the variance for a dependent variable that's explained by an independent variable or variables in a regression model.