Answer to Question #328457 in Physical Chemistry for karla

Question #328457

What happened to the number of moles in a sample that originally occupied 500 mL with 2.50 moles and then occupied 750 mL?

Expert's answer

n1=2.50 mol;

V1=500 mL;

V2=750 mL;

n1/V1 = n2/V2;

n2=n1*V2/V1=2.50*750/500=3.75 mol.

Answer: 3.75 mol.

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