# An aqueous solution of ammonia, NH3, has a concentration of 0.292 mol/L and has a density of 0.996 g/mL. What are the mass percent and mole fraction of NH3 in this solution?Mass percent NH3 =Mole fraction NH3 =

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An aqueous solution of ammonia, NH3, has a concentration of 0.292 mol/L and has a density of 0.996 g/mL. What are the mass percent and mole fraction of NH3 in this solution?

Mass percent NH3 =

Mole fraction NH3 =

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Step 1

Assume No. of mole of ammonia = 0.292 mole

Mass of ammonia = (No. of mole of ammonia)*(molar mass of ammonia)

= (0.292 mole)(17.03 g/mole) = 4.973 g

Volume of solution = 1.000 L = 1000.0 mL

Mass of solution = (volume)*(density) = (1000 mL)(0.996 g/mL) = 996 g

Mass of water = (m...

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