Science chemistry 200 g of common salt is dissolved in 800 g of water so as to make it's solution.calculate the concentration of common salt solution<br />
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4
Answer:
answer is 25%
Explanation:
Formula to calculate concentration is = Mass of solute / Mass of solution × 100
200 / 800+200 × 100
200/1000 × 100
1/5 × 100
20%
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Answered by
3
Given : A solution contains 200 g of common salt in 800 g of water.
To find : Calculate the concentration of solution?
Applying formula :
1) Mass of solution = Mass of solute + Mass of solvent.
2) Mass percentage = Mass of solute/Mass of solution × 100.
Calculations :
→ Mass of solution = 200 + 800
→ Mass of solution = 1000
→ Mass percentage = 30/1000 × 100
→ Mass percentage = 0.03 × 100
→ Mass percentage = 3%
Therefore, 3% is the mass percentage of the solution.
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