What is the volume (in liters) of a 4.00 m solution needed to make 250 ml of a 0.400 m solution?

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sammigrace1516 sammigrace1516

22-11-2017
Chemistry

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What is the volume (in liters) of a 4.00 m solution needed to make 250 ml of a 0.400 m solution?

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haydenleewhong haydenleewhong · Answer 1 · 2017-12-01T17:26:53+01:00

Molarity is the concentration of a solution expressed as the number of moles of solute per litre of solution.

Explanation:

To get the molarity, you divide the moles of solute by the litres of solution.

Molarity=moles of solutelitres of solution

For example, a 0.25 mol/L NaOH solution contains 0.25 mol of sodium hydroxide in every litre of solution.

To calculate the molarity of a solution, you need to know the number of moles of solute and the total volume of the solution.

To calculate molarity:

Calculate the number of moles of solute present.Calculate the number of litres of solution present.Divide the number of moles of solute by the number of litres of solution.