How many moles of helium gas are contained in 4.0: flask at STP

0.1784 moles of helium gas are contained in a 4.0-L flask at STP.

Explanation:

i just know it

answer is: naturally occurring solid, inorganic compound or element is mineral.

minerals usually have crystalline form, that means than crystal constituents (atoms, molecules or ions) are arranged in a highly ordered microscopic structure, forming a crystal lattice that extends in all directions.

for example magnetite is a mineral of iron oxide (fe₂o₃).

calcite is a carbonate mineral and the most stable polymorph of calcium carbonate (caco₃).

dolomite is an   carbonate mineral composed of calcium magnesium carbonate (camg(co₃)₂).

1.43 x 10^-11 j the guy commented the awnser just making sure u see it .