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4. The structure of caffeine is given below: CH3 H3C. CH a. What is the molecular formula and molecular weight? b. How many kg mol in 2 kg of pure caffeine? c. How many g are in 3.5 lb mol of pure caffeine? d. Determine the mass % composition of caffeine based on each atom; that is, the mass % of H, the mass % C, and so on.

4. The structure of caffeine is given below: CH3 H3C. CH a. What is the molecular formula and molecular weight? b. How many kg mol in 2 kg of pure caffeine? c. How many g are in 3.5 lb mol of pure caffeine? d. Determine the mass % composition of caffeine based on each atom; that is, the mass % of H, the mass % C, and so on.

Introduction to Chemical Engineering Thermodynamics
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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4. The structure of caffeine is given below: CH3 H3C. CH ČH3 What is the molecular formula and molecular weight? а. b. How many kg mol in 2 kg of pure caffeine? c. How many g are in 3.5 lb mol of pure caffeine? d. Determine the mass % composition of caffeine based on each atom; that is, the mass % of H, the mass % C, and so on.
Transcribed Image Text:4. The structure of caffeine is given below: CH3 H3C. CH ČH3 What is the molecular formula and molecular weight? а. b. How many kg mol in 2 kg of pure caffeine? c. How many g are in 3.5 lb mol of pure caffeine? d. Determine the mass % composition of caffeine based on each atom; that is, the mass % of H, the mass % C, and so on.
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