calculate molarity, molality and mole fraction of ammonia (NH3) in a 20%w solution of ammonia at 20c, density= 0.923g/ml
calculate molarity, molality and mole fraction of ammonia (NH3) in a 20%w solution of ammonia at...
D Question 40 15 pts Calculate the mole fraction, molarity and molality of NH3 if it is in a solution composed of 30.6 g NH3 in 81.3 g of H20. The density of the solution is 0.982 g/mL and the density of water is 1.00 g/mL. (The molar mass for NH3 is 17 and 18 for H20). Answers are to be shown to 3 significant digits (X.XX or 0.XXX or XXX) 1. The mole fraction for NH3 is 2. The...
Calculate the molality, the molarity, and the mole fraction of NH3 in an 7.70 mass % aqueous solution (d = 0.9651 g/mL).
Be sure to answer all parts. Calculate the molality, the molarity, and the mole fraction of NH3 in an 17.80 mass % aqueous solution (d = 0.9651 g/mL). m? M? mole fraction?
Calculate the molality, molarity, and mole fraction of FeCl3 in a 21.6 mass % aqueous solution (d = 1.280 g/mL). molality _______ m molarity _______M mole fraction ________
Calculate the molality, the molarity, and the mole fraction of NH_3 in an 13.50 mass % aqueous solution (d = 0.9651 g/mL). m M mole fraction
Calculate the molarity and molality of an NHz solution made up of 30.0 g of NH3 in 80.0 g of water. The density of the solution is 0.952 g/mL. Molarity = M Molality =
Calculate the mole fraction of phosphoric acid (H3PO4) in a 25.4% (by mass) aqueous solution. (Assume 750 mL of solution.) What is the molarity of the solution? What is the molality? (At 20 ° C, the density of phosphoric acid is 1.1462 g/mL and the density of water is 0.99823 g/mL.)
Calculate the molarity and molality of an HCl solution that contains 29.11% (w/w), the density of the solution is 1.193 g/mL
A 60.0% w/w solution of H_2 SO_4 has a density of 1.503. a. Calculate the molarity of the sulfuric acid solution. b. Calculate the molality of the sulfuric acid solution. c. Calculate the mole fraction of H_2 SO_4 in the solution.
4a Calculate the molarity of an aqueous solution of sodium perchlorate with a solute mole fraction of 0.081 and a density, ρ = 1.078 g/mL. Report your answer to THREE significant figures. 4b Calculate the molarity of a 41.2% by mass aqueous solution of copper (I) sulfate with a density, ρ = 1.177 g/mL. Report your answer to THREE significant figures. 4c Calculate the mole fraction of the solute of a 4.211 m aqueous solution of cadmium (II) bromide with...