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Answer to Question #250826 in General Chemistry for Baris432

Question #250826
Calculate the molarity of aqueous 25% of NH3 solution. (d = 0.9 g/mL, Mw = 17 g/mol)
1
Expert's answer
2021-10-14T04:04:11-0400

Mass percent of ammonia in stock solution = 25%

* Mass concentration of ammonia in stock solution =

25g/100g × 0.9g/1mL × 1000mL/1L = 225g/L

* Molarity of ammonia in stock solution =225g/1L × 1mol/17.0g = 13.24M


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