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A solution is prepared by adding 2gm of a substance A to 18 gm of water. Calculate the mass percent of the solute ?
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A solution is prepared by adding 2gm of a substance A to 18 gm of wate...
The mass percentage of a component of a solution is given by the following relation

Mass percentage of the component = (mass of the component in the solution /  mass of solution) X 100

where mass of solution = mass of solute + mass of solvent

Here, we are given that 2g of substance A is added to 18g of water. So

mass percentage of component A = [2 / (2 + 18)] X 100 = 10 %

Hence the mass percentage of substance A is 10 %. 
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A solution is prepared by adding 2gm of a substance A to 18 gm of wate...
Mixture Composition

To calculate the mass percent of the solute in a solution, we need to determine the mass of the solute and the total mass of the solution. In this case, we have 2 grams of substance A and 18 grams of water.

Calculating Mass Percent

The mass percent of a solute is calculated by dividing the mass of the solute by the total mass of the solution and then multiplying by 100.

Mass percent = (mass of solute / total mass of solution) x 100

In this case, the mass of the solute (substance A) is 2 grams and the total mass of the solution (substance A + water) is 2 grams + 18 grams = 20 grams.

Mass percent = (2 grams / 20 grams) x 100 = 10%

Therefore, the mass percent of the solute in the solution is 10%.

Summary

- The solution is composed of 2 grams of substance A and 18 grams of water.
- The mass percent of the solute is calculated by dividing the mass of the solute by the total mass of the solution and multiplying by 100.
- In this case, the mass percent of the solute is 10%.
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A solution is prepared by adding 2gm of a substance A to 18 gm of water. Calculate the mass percent of the solute ?
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