Answered: If the molecular mass of a molecule…

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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Question

If the molecular mass of a molecule that contains only C, H, and O, is 180.18 amu and there are 12 atoms of H and 6 atoms of C in the molecular formula, how many atoms of O are present to complete the molecular formula? Show your solution

Expert Solution

Step 1

• The values provided in the question are:-

i) Molecular mass of a molecule, C₆H₁₂O_n = 180.18 amu

ii) Number of carbon atoms = 6

iii) Atomic mass of carbon = 12.01 amu

iv) Number of hydrogen atoms = 12

v) Atomic mass of Hydrogen = 1.01 amu

vi) Atomic mass of oxygen = 16.00 amu

• We need to calculate the number of oxygen atoms present in molecular formula of the given molecule.

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