Question

Calculate the mass percent of a solution that is prepared by adding 68.1 g of NaOH to 341 g of H20.

Answer 1

mass percent of the solution = 16.64%

Explanation:

We calculate the mass percent of a solution using the following formula:

mass percent = (mass of the solute / mass of the solution) × 100

mass of the solute = 68.1 g of NaOH

mass of the solution = mass of the solute + mass of water (H₂O)

mass of the solution = 68.1 + 341 = 409.1 g

mass percent = (68.1 / 409.1) × 100

mass percent = 16.64%

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