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A solution is prepared by dissolving 80 g of salt in 500 g of water. Find the concentration of the solution
- a)10%
- b)11%
- c)13.8%
- d)1.38%
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
A solution is prepared by dissolving 80 g of salt in 500 g of water. ...
To find the concentration of a solution, we need to determine the amount of solute (in this case, salt) dissolved in a given amount of solvent (in this case, water).
Given:
Mass of salt = 80 g
Mass of water = 500 g
First, we need to calculate the total mass of the solution by adding the mass of the salt and the mass of the water:
Total mass of solution = Mass of salt + Mass of water
Total mass of solution = 80 g + 500 g
Total mass of solution = 580 g
Next, we need to calculate the concentration of the solution as a percentage. The formula for concentration is:
Concentration = (Mass of solute / Total mass of solution) * 100
Substituting the given values into the formula, we get:
Concentration = (80 g / 580 g) * 100
Concentration ≈ 0.138 * 100
Concentration ≈ 13.8%
Therefore, the concentration of the solution is approximately 13.8%.
Given:
Mass of salt = 80 g
Mass of water = 500 g
First, we need to calculate the total mass of the solution by adding the mass of the salt and the mass of the water:
Total mass of solution = Mass of salt + Mass of water
Total mass of solution = 80 g + 500 g
Total mass of solution = 580 g
Next, we need to calculate the concentration of the solution as a percentage. The formula for concentration is:
Concentration = (Mass of solute / Total mass of solution) * 100
Substituting the given values into the formula, we get:
Concentration = (80 g / 580 g) * 100
Concentration ≈ 0.138 * 100
Concentration ≈ 13.8%
Therefore, the concentration of the solution is approximately 13.8%.
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Community Answer
A solution is prepared by dissolving 80 g of salt in 500 g of water. ...
Concentration of solution = (mass solute/mass of solution)*100
Mass of solute (salt) = 80 g
Mass of solution = 80 + 500 = 580
=(80/580)*100
=13.793 or 13.8%
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