Please help! You dissolve 270 g of sugar in 100ml of water at 90°C. How much more sugar would you add to saturate the solution?
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Answer:
20
Explanation:
According to the question,
Mass of solute ( sugar ) = 20 g
Mass of solvent ( water ) = 80 g
Mass of the solution = Mass of solute + Mass of solvent = 36 + 100 = 136 g
We know,
Concentration of solution =
Mass of solute / (Mass of solute + Mass of solvent) X 100
= {20 / ( 20+80 )} X 100
= (20 / 100) x 100
= 20 %
Thus, the concentration of this sugar solution is 20 % ( by Mass )
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