Suppose that a solution was prepared by dissolving 25.0 g of sugar into 100g water. The percent by mass would be:
Question
Suppose that a solution was prepared by dissolving 25.0 g of sugar into 100g water. The percent by mass would be:
Solution
To calculate the percent by mass of the sugar in the solution, you need to follow these steps:
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First, find the total mass of the solution. This is the sum of the mass of the sugar and the mass of the water. So, 25.0 g (sugar) + 100 g (water) = 125.0 g (total mass of the solution).
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Next, calculate the percent by mass. This is the mass of the sugar divided by the total mass of the solution, multiplied by 100%. So, (25.0 g / 125.0 g) * 100% = 20%.
Therefore, the percent by mass of the sugar in the solution is 20%.
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