Is the solution saturated, unsaturated, or supersaturated
Is the solution saturated, unsaturated, or supersaturated? A crystal of solute is placed in a solution and additional solute precipitates out of the solution.
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Can you check the purity of your product by TLC using ethyl acetate as an elution solvent? Caffeine is soluble in ethyl acetate.
Determine the numbers of grams of the nonvolatile solute glycerol, C3H5(OH)3, must be added to 102 g of methanol to obtain a solution with a vapor pressure of 132 torr? The vapor pressure of pure methanol, CH3OH, at 30°C is 160 torr.
A 21.0%solution of the nonvolatile solute ethylene glycol, C2H4(OH)2,in water is prepared. The vapor pressure of water at 20°C is 17.5 torr. Determine the change in vapor pressure of the solution to three significant figures.
What exactly is ATP? What happens in the kerbs cycle and why does it happen and how same as above for the electron transport chain?
Determine the approximate molar mass of the polypeptide in g/mol? A saturated solution of 0.3172 g of a polypeptide in the1.00 L of an aqueous solution has an osmotic pressure of 3.28 torr at the 30°C.
Heptanes (C7H16) and pentane (C5H12) are two hydrocarbon liquids present in the gasoline. At 20°C, the vapor pressure of heptanes is 36.0 torr and the vapor pressure of pentane is 420. torr.
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