CHEMISTRY QUESTIONS AND CORRECT ANSWERS[2024)20Practice 1-1 (HW)	Stoichiometry and Limiting Reactants

Show your work for every calculation. Round your answer to the correct number of significant digits needed.

1.	a. A sample of nicotine containing 0.35 moles has a mass of 56 grams. What is the molar mass of nicotine?

160 g/mol

b. Nicotine is 74.1% carbon, 8.6% hydrogen, and 17.3% nitrogen by mass. What are its empirical and molecular formulas?



EF = C5H7N MF= C10H14N22.	Butane lighters wor...
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