Question

A balloon contains 6.0 moles of helium. A hole in the balloon lets 4.0 moles of helium escape the balloon. How many atoms of helium remain in the balloon?

2.0 atoms

1.2 x 1024 atoms

6.02 x 1024 atoms

6.0 atoms

Answer 1

@Cuanchi

Answer 2

6 moles - 4 moles = 2 moles He
2 x 6.02 x 10^23 atoms of He

Answer 3

So the answer is 2.0 atoms @Cuanchi

Answer 4

NO Dear!!!
1.2 x 10^24 atoms

Answer 5

Aww Okay thanks @Cuanchi