To make a 4.00 M solution, how many moles of solute will be needed if 12.0 liters of solution are required?
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Question:
To make a 4.00 M solution, how many moles of solute will be needed if 12.0 liters of solution are required?
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Answer:To make a 4.00 M solution, 48 moles of solute will be needed if 12.0 liters of solution are required.Explanation:Molar concentration or molarity is a measure of the concentration of a solute in a solution, be it some molecular, ionic or atomic species. Molarity is defined as the number of moles of solute that are dissolved in a given volume. Then it is calculated as the quotient between the number of moles of solute and the volume of solution:[tex]Molarity= \frac{number of moles of solute}{volume}[/tex]Molarity is expressed in units [tex]\frac{moles}{liter}=M[/tex].In this case:Molarity= 4 Mnumbre of moles of solute= ?volume= 12 litersReplacing:[tex]4 M= \frac{number of moles of solute}{12 liters}[/tex]Solving:4 M*12 liters= number of moles of solute48 moles= number of moles of soluteTo make a 4.00 M solution, 48 moles of solute will be needed if 12.0 liters of solution are required.
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