Question
Asked Jul 13, 2019
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At 20 degrees celcius, a 0.516 m aqueous solution of glucose (C6H12O6) has a density of 1.0165 g/mL. Calculate the molarity of this solution. 

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Expert Answer

Step 1

In chemistry, number of moles refers to a unit of amount. It can also be defined as the mass of a chemical substance that has same number of fundamental units that are equal to the number of atoms present in 12.000 g of 12C. It is denoted by symbol ‘n’ and the formula to calculate number of moles is as shown below:

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Mass of substance Number of moles= Molar mass of substance

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Step 2

The term molarity is defined as the ratio of number of moles to the volume of the solution. Its S.I. units are moles/liter or M.

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Number of moles (n) Molarity Volume of the solution (V)

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Step 3

Molality denoted by ‘m’ refers to the concentration of the solute in a given solution in terms of...

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Number of moles (n) Molality Mass of solvent (kg)

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