<https://app.101edu.coType here to search2Determine the number of moles in 4.51 x 1023 formula units of BaBr2.ZXF3EtRWCIOAktiv Chemistry101Question 18 of 32199+JU3NMAMΣA₁147+/-Z25857°F CloudySC

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Chemistry

10th Edition

ISBN:9781305957404

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

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

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Determine the number of moles in 4.51 x 1023 formula units of BaBr2.
Z
X
F3
Et
R
W
CIO
Aktiv Chemistry
101
Question 18 of 32
199+
JU
3
N
MAM
Σ
A₁
1
4
7
+/-
Z
2
5
8
57°F Cloudy
S
C

Expert Solution

Step 1

• Avogadro's Number:

Avogadro's number is the counting the number of atoms and relating it to the number of moles. We can use this as a conversion factor between the number of moles and the number of particles. We may have already known this value, as this is one important constant in Chemistry.

• Explanation:-

We determine the number of moles, n, of the given amount of substance. We do this by applying the equation,

• n=(N/A)

where, N is the number of formula units and A is the Avogadro's number.

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