How many moles of sucrose are dissolved in 250 mL of solution if the solution concentration is 5.7 M?
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Answer:
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 solute
litres 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.
Explanation:
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