Given the molar mass of fructose = 180.16g/mol, what mass of fructose is required to prepare 2 litres of 0.5M solution ?
Question
Given the molar mass of fructose = 180.16g/mol, what mass of fructose is required to prepare 2 litres of 0.5M solution ?
Solution
To solve this problem, we need to use the formula for molarity which is:
Molarity (M) = moles of solute / volume of solution in liters
We know the molarity (0.5M) and the volume of the solution (2L), so we can rearrange the formula to solve for moles of solute:
Moles of solute = Molarity * Volume Moles of solute = 0.5M * 2L = 1 mole
Now, we know that the molar mass of fructose is 180.16g/mol. This means that 1 mole of fructose has a mass of 180.16g.
So, to prepare a 2L solution of 0.5M fructose, we need 1 mole * 180.16g/mol = 180.16g of fructose.
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