A solution contains 30 gram of common salt in 220 gram of water. the concentration in terms of mass by mass percentage of the solution is
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Explanation:
30 + 220 = 250
MASS PERCENTAGE= 30/250
=7.5%
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Given : A solution contains 30 g of common salt in 220 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 = 30 + 220
→ Mass of solution = 250
→ Mass percentage = 30/250 × 100
→ Mass percentage = 0.12 × 100
→ Mass percentage = 12%
Therefore, 12% is the mass percentage of the solution.
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