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If you have7.93 x 1022 molecules of Ne2 gas. How many g do you have ?

If you have7.93 x 1022 molecules of Ne2 gas. How many g do you have ?

Chemistry
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
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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If you have7.93 x 1022 molecules of Ne2 gas. How many g do you have ? 

Expert Solution
Step 1

The number of molecules of Ne2 gas is 7.93×1022.

 

The formula to calculate number of molecules is,

Number of Molecules = moles x NA
Step 2

NA is the Avogadro constant whose value is 6.022×1023.

 

Put the value of number of molecules and NA in the given formula to calculate the number of moles of Ne2 gas.

Number of molecules = moles x N 7.93x102 molesx(6.022 x 103 7.93x1022 moles 6.022x1023 =0.132
Step 3

The formula that can be used to calculate gram is,

Mass Mole Mass MolexM,
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