What is the number of moles of solute in 650ml of a 0.40M solution?

Question

Chemistry

Cassius Melendez

30 December, 12:28

What is the number of moles of solute in 650ml of a 0.40M solution?

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Answers (2)

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Brendon Payne · Answer 1

Given the concentration as molarity, we can use the following formula to solve for the moles

moles = Molarity x Liters

Molarity = 0.40 M

liters = 650 mL = 0.650 L

moles = 0.40 x 0.650 = 0.26 moles

Milo Gray · Answer 2

V=650 ml = 0.65 l

c=0.4 mol/l

n=vc

n=0.65 l * 0.4 mol/l = 0.26 mol