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A compound is 55.8% Carbon, 11.7 % hydrogen and 32.5 % nitrogen.  What is the empirical formula? Group of answer choices CH5N C2HN5 C5H2N C2H5N

A compound is 55.8% Carbon, 11.7 % hydrogen and 32.5 % nitrogen.  What is the empirical formula? Group of answer choices CH5N C2HN5 C5H2N C2H5N

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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A compound is 55.8% Carbon, 11.7 % hydrogen and 32.5 % nitrogen.  What is the empirical formula?

Group of answer choices

CH5N

C2HN5

C5H2N

C2H5N

Expert Solution
Step 1 : Empirical Formula determination in 5-steps tabular form.

 

Element %

Elements Mass

(m in gram)

 mole (n) = mass/ Molar mass mole / smallest number of mole Empirical Formula
C = 55.8 55.8 g = 4.65 = 2.0 C2
H = 11.7 11.7 g = 11.7 = 5.0 H5
N = 32.5 32.5 g 2.3214 = 1.0

N
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