A solution contains 10 g of sugar in 140 g of water.what is the concentration in terms of mass by mass percentage of the solution A)7.1% B)8.2% C) 6.6% D)7.7%

A solution contains 10 g of sugar in 140 g of water.what is the concen

1.	A solution contains 10 g of sugar in 140 g of water.what is the concentration in terms of mass by mass percentage of the solution A)7.1% B)8.2% C) 6.6% D)7.7%
Answer» →Mass of sugar (solute) = 10g→Mass of WATER (solvent) = 140gTo find:-→Concentration of the solution (mass/mass %)Solution:-Here, mass of solute and mass of solvent are given. So,firstly let's calculate the TOTAL mass of the solution. It can be calculated as follows:-Mass of solution:-= Mass of solute + Mass of solvent= (10+140) g= 150gHence,we have GOT the mass of the solution as 150g.Now,let's calculate the concentration of the solution.Concentration of a solution:-=Mass of solute/Mass of solution × 100= 10/150×100= 100/15= 6.6%. (approximately)THUS,concentration of the solution in terms of mass by mass percentage is 6.6% and hence CORRECT option is (C).