What is the % by mass of a solution containing 193.2 grams of salt dissolved in 3492 grams of water?
Question
What is the % by mass of a solution containing 193.2 grams of salt dissolved in 3492 grams of water?
Solution
To find the percent by mass of a solution, you use the formula:
% by mass = (mass of solute / mass of solution) * 100%
First, you need to find the total mass of the solution. The mass of the solution is the sum of the mass of the solute (salt) and the solvent (water).
So, the mass of the solution = mass of salt + mass of water = 193.2 grams + 3492 grams = 3685.2 grams.
Next, you substitute the values into the formula:
% by mass = (193.2 grams / 3685.2 grams) * 100% = 5.24%
So, the percent by mass of the solution is 5.24%.
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