SC07-15-AA What is the % by mass for the salt if there are 15 grams of salt dissolved in 65 grams of water?
Question
SC07-15-AA
What is the % by mass for the salt if there are 15 grams of salt dissolved in 65 grams of water?
Solution
To calculate the percentage by mass of the salt in the solution, you need to follow these steps:
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First, you need to find the total mass of the solution. This is done by adding the mass of the salt to the mass of the water. In this case, 15 grams (salt) + 65 grams (water) = 80 grams (total mass of the solution).
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Next, you calculate the percentage by mass of the salt. This is done by dividing the mass of the salt by the total mass of the solution, and then multiplying the result by 100 to get a percentage.
So, (15 grams / 80 grams) * 100 = 18.75%
Therefore, the percentage by mass of the salt in the solution is 18.75%.
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