What is the Molarity of 25 g of C6H12O6 in 25 mL of H2O?

5.6 M

Explanation:

Given data:

Mass of C₆H₁₂O₆ = 25 g

Volume of solution = 25 mL (25 mL×1 L/1000 mL=0.025 L)

Molarity of solution = ?

Solution:

Molarity is used to describe the concentration of solution. It tells how many moles are dissolve in per litter of solution.

Formula:

Molarity = number of moles of solute / L of solution

Number of moles of C₆H₁₂O₆:

Number of moles = mass/molar mass

Number of moles = 25 g/ 180.16 g/mol

Number of moles = 0.14 mol

Molarity:

M = number of moles / volume in L

M = 0.14 mol/ 0.025 L

M = 5.6 M

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