One mole of any gas will occupy 22.4 L and contain ________ molecules
a. 6.02 ? 1023 c. 0.602 ? 1023
b. 6.2 ? 1023 d. 6.2 ? 10-23
ANS: A
1 mole of oxygen (mw = 32 g) occupies a volume of 22.4 L and contains 6.02 ? 1023 molecules when measured at 0° C (273° K) and 1 atm.
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