# Calculating number of molecules in a container

How many molecules of N2 are in a 500mL container at 780mm Hg and 135 degrees celsius?

What formula/s do I use?

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#### Solution Preview

This is an Ideal Gas Law problem!

PV = nRT

where P is pressure, V is volume, n is moles, R(0.0821 ...

#### Solution Summary

This solution is provided in 84 words. It uses the ideal gas law to calculate the number of molecules in the container.

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