Answered: Find the molecular formula of the…

Find the molecular formula of the following compounds. 1. A chloride of silicon contains 79.1% chlorine. If its molar mass is 269 g/mol, what is its molecular formula?

Introductory Chemistry: A Foundation

9th Edition

ISBN:9781337399425

Author:Steven S. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Donald J. DeCoste

Chapter8: Chemical Composition

Section: Chapter Questions

Problem 128CP: itamin B12 , cyancobalamin, is essential for human nutrition. Its molecular formula is...

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Question

Find the molecular formula of the following
compounds.

1. A chloride of silicon contains 79.1% chlorine. If its
molar mass is 269 g/mol, what is its molecular
formula?
2. Cortisol is a steroid hormone that is used to reduce
inflammation. It has a molar mass of
362.47 g/mol, and is comprised of 69.6% C, 8.34% H,
and 22.1% O. What is its molecular formula?
3. Menthol is a substance commonly used in cough
drops. It has a molar mass of 156.3 g/mol and is
comprised of 77.4% C, 12.9% H, and 10.2% O. What is
its molecular formula?

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