A solution has a volume of 5L and contains 20g of glucose whose molar mass is 180. What is the Molarity of the solution?

1 Answer
Apr 27, 2018



We need to know the moles of solute we have in the solution before finding molarity. First we need to convert the 20g of glucose to moles.

#20"g" * "1mol"/"180g"# = 0.1mol

Molarity is represented as moles of solute per unit liter of solution
Thus, it is 0.1mol/5L.

#"0.1mol"/"5L" = 0.02M#