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?
Be sure to answer all parts. Calculate the molality, the molarity, and the mole fraction of...
Calculate the molality, the molarity, and the mole fraction of NH3 in an 7.70 mass % aqueous solution (d = 0.9651 g/mL).
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
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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 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
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...
Be sure to answer all parts. An automobile antifreeze mixture is made by mixing equal volumes of ethylene glycol (d - 1.114 g/mL; M-62.07 g/mol) and water (d = 1.00 g/mL) at 20°C. The density of the mixture is! 1.070 g/mL. Express the concentration of ethylene glycol as (a) volume percent %v/v (b) mass percent % w/w (c) molarity d) malality (b) mass percent (e) molarity (d) molality (e) mole fraction
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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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