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July 1, 2015

Homework Help: Chemistry

Posted by Anonymous on Wednesday, June 5, 2013 at 10:39am.

A "neon" sign contains 2.410^2mL of argon. Assuming that the gas is at standard temperature and pressure, there is 1.00 moles of gas per 22.4 L of volume. How many argon atoms are present in this sign?
a. 6.51021
b. 2.81022
c. 3.21024
d. 9.910-23

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