1. Calculate the Molar Mass (in grams per mole) of: then calculate the number of atoms (or molecules)given moles of moles given molecules.Formula0₂HCIO3Ag₂SO4C12H22O11BariumnitrateMolar Mass16.0 x 2= 32.0 g/molemolesGiven 0.50 mole1.00 mole2.50 moles0.10 molesMolecules.50 x NA 3.01 x 1023 molecules=1.51 x 1023 molecules

Number of moles is calculated by dividing the given mass with molecular mass. Avogadro number is…

Answered: given moles of moles given molecules.…

given moles of moles given molecules. Formula 0₂ HCIO3 Ag₂SO4 C12H22O11 Molar Mass 16.0 x 2 = 32.0 g/mole moles Given 0.50 mc 1.00 mole 2.50 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

1. Calculate the Molar Mass (in grams per mole) of: then calculate the number of atoms (or molecules)
given moles of moles given molecules.
Formula
0₂
HCIO3
Ag₂SO4
C12H22O11
Barium
nitrate
Molar Mass
16.0 x 2
= 32.0 g/mole
moles
Given 0.50 mole
1.00 mole
2.50 moles
0.10 moles
Molecules
.50 x NA 3.01 x 1023 molecules
=
1.51 x 1023 molecules

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