A solution is prepared by adding 40g of sugar in 100g of water calculate the concentration by mass

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Given,
mass of sugar (m1) = 40 g
mass of water (m2) = 100 g So, mass of solution (M) = mass of water + mass of sugar

= m1 + m2

= 100 g + 40 g = 140 g So, the mass by mass percentage of the solution = (mass of sugar / mass of solution) * 100 = (40 / 140) * 100

= 28.57 % (approx.)

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