A solution contains 30 g of common salt in 350 g of water. Calculate the concentration of solution?
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Given : A solution contains 30 g of common salt in 350 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 + 350
→ Mass of solution = 380
→ Mass percentage = 30/380 × 100
→ Mass percentage = 0.078 × 100
→ Mass percentage = 7.8%
Therefore, 7.8% is the mass percentage of the solution.
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