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What is the concentration (% m/v) of the solution that contains 20.0 g NaCl in 800.0 mL solution?

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What is the concentration (% m/v) of the solution that contains 20.0 g NaCl in 800.0 mL solution?

(a) 5.00%

(b) 2.00%

(c) 0.200%

(d) 2.50%

This question was posed to me by my school principal while I was bunking the class.

The query is from Concentration-I in section Introductory Concepts of Chemical Process Calculation

1 Answer

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Best answer
The correct choice is (d) 2.50%

The best explanation: Concentration = 20/800= 0.025 gm/ml.

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