How many helium atoms are there in a helium blimp containing 535 kg of helium?

1 Answer
Sep 15, 2017

Approx.....8×1028helium atoms

Explanation:

We work out (i) the molar quantity of helium gas....

Moles of helium=535kg×103gkg14.0gmol1=133750mol.

And then (ii) we mulitply this molar quantity by Avogadro's number....NA=6.022×1023mol1 to get the number of helium atoms.....

6.022×1023mol1×133750mol=an unfeasibly large number.