Question

You have a 473 mL glass of lemonade with a concentration of 2.37 M.

The lemonade sits out on your counter for a couple of days, and 150 mL of water evaporates from the glass.

What is the new concentration of the lemonade?

Answer 1

The new concentration of the lemonade solution, given the data from the question is 3.47 M

Data obtained from the question

From the question given above, the following data were obtained:

• Molarity of stock solution (M₁) = 2.37 M
• Volume of stock solution (V₁) = 473 mL
• Volume of water that evaporated = 150 mL
• Volume of new solution (V₂) = 473 - 150 = 323 mL
• Molarity of new solution (M₂) =?

How to determine the molarity of the new solution

The molarity of the new solution can be obtained by using the dilution formula as shown below:

M₁V₁ = M₂V₂

2.37 × 473 = M₂ × 323

1121.01 = M₂ × 323

Divide both side by 323

M₂ = 1121.01 / 323

M₂ = 3.47 M

Thus, the concentration of the new solution is 3.47 M

Learn more about dilution:

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