20 Type of solution: Sugar solution -Mass of solute 15 grams- Mass of solution: 145 grams. Calculate the%by mass of the solution." Your answer
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20 Type of solution: Sugar solution -Mass of solute 15 grams- Mass of solution: 145 grams. Calculate the%by mass of the solution." Your answer
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Percent by Mass
Given:
Mass of solute (sugar) = 15 g
Mass of solution (sugar sol'n) = 145 g
Asked: % by mass
Formula: % by mass = x 100%
Solution:
% by mass = x 100%
% by mass = x 100%
% by mass = 0.1034 x 100%
% by mass = 10.34%
Answer: % by mass = 10.34%
Explanation:
Solutions are made up of solute dissolved in a solvent. Different solutions have different concentrations. It can be unsaturated, saturated, or supersaturated. But, concentration can be expressed using the percent by mass. It is a more specific way of expressing concentration. It is the ratio of the mass of solute in relation to the mass of the solution and multiplied by 100%:
% by mass = x 100%
Values are substituted in the formula to get the percent by mass. The higher the percent by mass, the higher the concentration of the solution.
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