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What mass is in 5 moles of helium?

User Acn
by
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1 Answer

2 votes

Answer:

Mass = 20 g

Step-by-step explanation:

Given data:

Number of moles of He = 5 mol

Mass of He = ?

Solution:

Formula:

Number of moles = mass/ molar mass

Molar mass = 4 g/mol

by putting values,

5 mol = Mass / 4 g/mol

Mass = 5 mol × 4 g/mol

Mass = 20 g

User Antony Thompson
by
6.9k points