How many grams of water should be added to 1.75 grams of fructose to give a 0.126 molal solution? (MW of fructose = 180.16 g/mol)
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How many grams of water should be added to 1.75 grams of fructose to give a...
How many grams of MgCl2 (molar mass = 95.2 g/mol) should be added to 300 grams of water to give a solution that freezes at -3.00°C? Kf of H2O is 1.86°C/m.
How many grams of sucrose (C12H22O11) must be added to 487 g of water to give a solution with a vapor pressure 0.871 mmHg less than that of pure water at 20°C? (The vapor pressure of water at 20°C is 17.5 mmHg.)
How many grams of Na2SO4 should be added to 228 g of water to make a solution with a colligative molality of 0.530 m? (Please see Your Turn #3-3, lecture 3, slide 22 for assistance.) ____g
Fructose, which is the predominant sugar in fruit juice, contains exactly 368 Cal for 100 grams of fructose. Aglass with 296 mL (10.fl oz.) of apple juice has 180. Cal. If 150. of those Cal are from fructose, what is the molarity of the fructose (180.16 g/mol) in the juice solution? Assume all numbers are significant to the ones place. M fructose Fructose, which is the predominant sugar in fruit juice, contains exactly 368 Cal for 100 grams of fructose....
The vapor pressure of water is 23.76 mm Hg at 25°C. How many grams of sucrose, C12H22011, a nonvolatile, nonelectrolyte (MW = 342.3 g/mol), must be added to 191.5 grams of water to reduce the vapor pressure to 23.29 mm Hg? water = H,0 = 18.02 g/mol. g sucrose The common laboratory solvent benzene is often used to purify substances dissolved in it. The vapor pressure of benzene, C6H6, is 73.03 mm Hg at 25°C. In a laboratory experiment, students...
How many grams of NaCl do we have to add to 500.g of water to make a 2.83 molal solution? Give your answer to 1 decimal place (with units)
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מו Calculate the mass of glucose (C6H606) that must be added to 100 g of water to give a solution whose freezing point is -3.8°C. The freezing point depression constant of water is 1.86 °C/m. The molar mass of glucose is 180.16 g/mol Give your answer in grams to 3 significant figures
A. B. C. How many grams of solid ammonium chloride should be added to 1.00 L of a 0.108 Mammonia solution to prepare a buffer with a pH of 9.920 ? grams ammonium chloride = g. How many grams of solid sodium cyanide should be added to 1.00 L of a 0.196 M hydrocyanic acid solution to prepare a buffer with a pH of 8.528 ? grams sodium cyanide = How many grams of solid ammonium chloride should be added...
How many grams of solid ammonium chloride should be added to 1.00 L of a 0.281 M ammonia solution to prepare a buffer with a pH of 8.530 ? grams ammonium chloride = g. How many grams of solid sodium acetate should be added to 0.500 L of a 9.49x10-2 M acetic acid solution to prepare a buffer with a pH of 5.309? grams sodium acetate =