Answered: 1. A certain compound has a molar mass…

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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1. A certain compound has a molar mass of 194.19 g/mol. Its percent composition by mass is given below:

C - 49.48% H - 5.19% N - 28.85% O - 16.478%

Determine BOTH the molecular formual and the empirical formula for this compound

2. A compound has a molecular formula of C4H10O2. What is the empirical formula for this compound?

A certain compound has a molar mass of 194.19 g/mol. Its percent composition by mass is given below:
C-49.48% H-5.19% N-28.85% O-16.478%
Determine BOTH the molecular formual and the empirical formula for this compound. SHOW YOUR WORK!

Expert Solution

Step 1

Given that, a certain compound has a molar mass of 194.19 g/mol.

The percent composition ratios by mass are given below

C = 49.48%, H = 5.19%, N = 28.85%, and O = 16.478%.

We have to find out both the empirical formula and the molecular formula of the above compound.

Concept:

Molecular formula: It is the actual mole ratio of the components in the compound.
Empirical formula: It is the simplest mole ratio of the components in the compound.

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