Q43: Calculate the mass of glucose and mass of water required to make 200g of 25% solution of glucose.

Answer:

Given mass of solution(M) = 200g Concentration of solution = 25%

Since, Mass by Mass percentage of solution =

mass of solute(m) × 100 / mass of solution(M).

⇒ 25 = m × 100/200g

⇒ m = 25 × 200/100 = 50g

∴ mass of solute = 50g mass of solvent

(water) = M - m = 200g - 50g = 150g

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