February 21, 2017

Homework Help: Chemistryy.

Posted by Jenny on Monday, June 6, 2011 at 9:17pm.

Some mole problems!
Which quantity of neon may be represented by the symbol Ne?
A) 1 gram B) 4 liters C) 6 x 1023 atoms D) 2 moles

A sample of nitrogen containing 1.5 x 1023 molecules has the same number of molecules as a sample containing
A) 1.0 mole of H2 B) 0.25 mole of O2 C) 0.50 mole of Ne D) 2.0 moles of He

Please explain how you got the answer. Thankss!

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