D. Calculate the mass (g) of the following samples.25) 238 moles of lead26) 1.54 x 10° moles of Zn27) 7.70 x 109 moles of Mg(NO3)228) 8.42 x 1027 atoms of tin29) 6.39 x 1018 atoms of sulfur30) 5.99 x 1030 molecules of SİO2

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D. Calculate the mass (g) of the following samples. 25) 238 moles of lead 26) 1.54 x 10° moles of Zn 27) 7.70 x 10-9 moles of Mg(NO3)2

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 24A

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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

D. Calculate the mass (g) of the following samples.
25) 238 moles of lead
26) 1.54 x 10° moles of Zn
27) 7.70 x 109 moles of Mg(NO3)2
28) 8.42 x 1027 atoms of tin
29) 6.39 x 1018 atoms of sulfur
30) 5.99 x 1030 molecules of SİO2

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