Question

Please answer this question.

Answer 1

Hey There!

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Answer:

`\huge\boxed{\text{2.5 grams/mole}}`

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DATA:

Mass of Helium = 4

Helium = 55 liters

How many moles = ?

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SOLUTION:

By the equation(AT S.T.P) of,

Moles =
`(Given\ Volume)/(22.4\ dm^3)`

Substitute the values,

Moles =
`(55)/(22.4)`

Simplify the fraction,

Moles = 2.5 grams/moles

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Best Regards,

'Borz'