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Exit What is the number of moles of solute in 250 mL of a 0.4 M solution? Don't forget the unit.
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Exit What is the number of moles of solute in 250 mL of a 0.4 M solution? Don't forget the unit.

User Costantin
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Molarity is expressed as moles of solute per liter solution. In this problem, we are given with 0.4 M solution and 250 ml volume. We just multiply these to get the moles solute which is 0.4*0.25, equal to 0.1 moles solute.
User Riten
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