Calculate the molality, the molarity, and the mole fraction of NH_3 in an 13.50 mass %...
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 ________
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...
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...
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 molarity, molality and mole fraction of ammonia (NH3) in a 20%w solution of ammonia at 20c, density= 0.923g/ml in 1 liter solution
- 3 Calculate the molality and the mole fraction of HCI of a 10.0% (by mass) aqueous solution of hydrochloric acid.
Calculate the mass percent, molality and mole fraction of citric acid (H_3C_6H_5O_7) in a 1.37 M aqueous solution which has a density of 1.10 g/cm^3. (Assume a 1.00 L solution.) Citric acid is triprotic.
Calculate the molality, mole-fraction and percent mass of 28.9M HF at 25 degrees Celcius of the density of the solution is 1.18 g/mL