How many moles of helium are in the tank

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Reference no: EM13321606

A 20.0L tank contains 0.225kg of helium at 18.0%u2218C. The molar mass of helium is 4.00g/mol .

part a How many moles of helium are in the tank?

part b What is the pressure in the tank, in pascals and in atmospheres?

Reference no: EM13321606

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