tehe8647 tehe8647
  • 12-03-2021
  • Physics
contestada

how many grams are in 3 moles of helium?

Respuesta :

fineazzky fineazzky
  • 12-03-2021
There are 1.20 grams in 3 moles of helium
Answer Link
Phobic111
Phobic111 Phobic111
  • 12-03-2021

Answer:

12 g

Explanation:

No of moles = [tex]\frac{mass}{mass.in.1.mole}[/tex]

But we have to find the mass, not the number of moles. So,

Mass = No. of moles × mass in 1 mole

Mass of helium = 4

Mass = 3 × 4

= 12 grams

Answer Link

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