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!

Chemistryy. - DrBob222, Monday, June 6, 2011 at 9:29pm
1)Ne usually means 1 mole of Ne. How many atoms is that?
2) How many moles? remembering that 1 mole of molecules is 6.02E23 molecules.
1.5E23/6.02E23 = 0.25 moles.

Answer this Question

Related Questions

chemistry - a sample containing 1.50 mol neon gas has a volume of 8.00L.what is ...
Chemistry - Use molar volume to solve the following problems at STP. Find the ...
Science - Would you normally expect neon (Ne) to form compounds? A. Yes, but ...
MATH Confused - How can I find the square root symbol to submit problems? Every ...
Math - Imagine that a new operational symbol for mathematics has been developed...
physics - A sealed container contains 1 mole of neon gas at STP. Estimate the ...
physics - A sealed container contains 1 mole of neon gas at STP. Estimate the ...
science - what is neon on the Periodic Table Of Elements? Ne is a gas. Element #...
Physics - Two ideal gases have the same mass density and the same absolute ...
economics - Market research has revealed the following information about the ...

For Further Reading

First Name:
School Subject:
Answer: