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Chemistry

How many grams of ibuprofen are in 0.540 moles?

World of Chemistry, 3rd edition

3rd Edition

ISBN:9781133109655

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

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

Chapter6: Chemical Composition

Section: Chapter Questions

Problem 16A

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Concept explainers

Mole Concept

Mole concept is a method to determine the amount of any substance that consists of some elemental particles using a grouping unit called ‘mole’. The mole concept enables one to handle the large amount of small elementary particles. The mole concept can be used in many calculations related to mole calculation, molar amount, mole ratio, and so on, which are significant in chemistry.

Question

Part A

How many grams of ibuprofen are in 0.540 moles? Express your answer using four significant figures.

Part B
How many grams of ibuprofen are in 0.540 moles?
Express your answer using three significant figures.

Part C
How many moles of carbon are in 12.5 g of ibuprofen?
Express your answer using three significant figures.

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