How many moles are in 20 grams of argon​

the answer is 39.948..

please follow❤

Solution given:

we have

40 g of argon =1mole

20g of argon =1/40*20=½mole.

There are 0.5 mole in 20 grams of argon.

african americans demonstrated their newly found freedom by relocating often in search of relatives whom they had been separated from during slavery. others established schools to educate freed people and they built institutions such as churches and political organizations to advocate for their rights.

- "the choice that is not an indicator of a chemical change is "state of matter changes". more common than not, chemical reactions produce energy in the form of light or heat. along with energy, they also produce a new substance called the product that could be in any state of matter (solid, gas, or liquid)."