Question

mass%=25.mass of solute=10g. find mass of solvent?​

Answer 1

Explanation:

Calculating Mass of Solvent using Molality

Write the equation for calculating molality: molality = moles(solute) ÷ mass(solvent in kg)

Rearrange equation to find mass(solvent in kg): ...

Identify the solute and solvent that make up the solution: solute = sodium chloride = NaCl.

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Answer 2

Answer:

Mass % = Mass of solute/Mass of solution × 100

25 = 10/Mass of solution × 100

Mass of solution = 10/25 × 100

Mass of solution = 40 g

Mass of solute + Mass of solvent = Mass of solution

10 g + Mass of solvent = 40 g

Mass of solvent = 40 g - 10 g

Mass of solvent = 30 g