Answered: A 0.626-g sample of copper oxide was…

Introductory Chemistry: A Foundation

9th Edition

ISBN:9781337399425

Author:Steven S. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Donald J. DeCoste

Chapter9: Chemical Quantities

Section: Chapter Questions

Problem 9QAP: onsider the balanced chemical equation :math>4Al(s)+3O2(g)2Al2O3(s). at mole ratio would you use to...

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A 0.626-g sample of copper oxide was reduced to 0.500 g of copper metal by heating in a stream of hydrogen. Calculate the empirical formula of copper oxide

Empirical formula:

A sample of phosphorus weighing 0.500 g was ignited to the oxide in a stream of oxygen gas. What is the empirical formula of phosphorus oxide if the product has a mass of 1.145g?. What is the molecular formula of the product if the molar mass is approximately 285 g/mol?

A) empirical formula:

B) Molecular formula:

Explain how you obtained the Molecular formula (b)?

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