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A 24.0 L tank contains 4.76×10−4kg of helium at 22.0∘C. The molar mass of helium is...

A 24.0 L tank contains 4.76×10−4kg of helium at 22.0∘C. The molar mass of helium is 4.00 g/mol.

How many moles of helium are in the tank?

What is the pressure in the tank (in pascals)?

What is the pressure in the tank (in atmospheres)?

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