glennsheila346 glennsheila346

01-03-2021
Chemistry

contestada

how many moles are in 20 grams of Ar?

Respuesta :

drpelezo drpelezo

01-03-2021

Answer:

moles Ar in 20g = 0.500 mole Ar

Explanation:

moles = grams given / formula weight = 20g / 39.948g·mol⁻¹ = 0.500 mole Ar

Answer Link

Otras preguntas

a recipe calls for cookies for 3 1/4 cups of. sugar.amy already puts in 3 1/9 cups.how many more cups does she nees t put in

Help me solve this And please explain

Why do geographers study human systems and human environment relationships?

what two canadian provinces border Alaska?

someone help me with this ..

in the diagram AB bisects FAE. BF=5x and BE=x2+6. Solve for x.

Compare and contrast the three classes of levers.

How do you write 7,330,968 in expanded form

A car advertisement states that a certain car can accelerate from rest to 70km/h in 7 seconds. Find the car’s acceleration in m/s.

Explain the role of energy in changes of state.