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
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Calculate the molality, mole-fraction and percent mass of 28.9M HF at 25 degrees Celcius of the...
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.
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How do you find the mass percent, mole fraction, and the
molality for these two problems?
P1. (Sec. 11.1) A solution is prepared by dissolving 113 grams of acetone (C3H6O) in 662 grams of water. With this information, calculate the solution's mass percent % of the solute, mole fraction of the solute, and the solutions molality. a) b) c) d) e) Mass Percent: 88.7%; Mole Fraction (Solute): 0.9068; & Molality: 5.70 mol/kg Mass Percent: 11.3%; Mole Fraction (Solute): 0.0932; &...
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...
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 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.)
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Calculate the molality and mole fraction of a solution made by dissolving 8 gm of (Molar mass of NaOH = 40 g / mol Q.2 pure NaOH in 200 ml of water