How many grams of LiOH are in 6.21x1024 formula units of LiOH?

Answered: How many grams of LiOH are in 6.21x1024…

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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Question

How many grams of LiOH are in 6.21x10²⁴ formula units of LiOH?

Expert Solution

Step 1

Given that,

Number of formula units, i.e, number of particles of LiOH = 6.21 x 10²⁴ particles

We know the relation :

Number of particles = Number of moles x N_A

So, $N u m b e r o f m o l e s = \frac{6.21 \times 10^{23}}{6.023 \times 10^{23}} = 1.03 m o l e s (S i n c e N_{A} = 6.023 \times 10^{23} p a r t i c l e s)$

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