Compute the molality of the solution
Question: When 1.00 gram of reserpine is dissolved in 25.0 grams of camphor, the freezing point depression is 26.3 degrees C. Calculate the molality of the solution and the molar mass of reserpentine.
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A room contains 12,000 ft.³ of air at 75°F and 29.7 inches Hg Absolute. The air has a dew point of 60°F. How many pounds of water vapor are in the air
What is also produced when neon-20 is bombarded with an alpha particle to give oxygen-16
An unknown compound contains only C, H, and O. Combustion of 4.40 g of this compound produced 8.79 g of CO2 and 3.60 g of H2O. What is the empirical formula of the unknown compound. CHO
Determine angle A to the nearest tenth of a degree when sin A =0.4552
If 8.0 moles of the gas A is palced in a 60.0 L tank with 1.0 moles of B at 0 degress celsius and 1 atm, they react according to this equation: 2A(g) + B(g) --> 3C(g) +D(g) How many moles are present in the tank when the reaction is complete
EDTA was used for the aqueous solution titration to determine the amount of calcium ions in the sample. Calculate the fraction of EDTA that exists as Y^4- at pH 10, and from this calculate pCa in 100 mL of solution of 0.100 M Ca^2+ at pH 10 after
When .8436 mole of naphthalene(C10H8), a solid, is burned in a constant- volume bomb calorimeter at 298K, 5150 kJ of heat is evolved. Calculate delta H for the raction on a molar basis.
Trouton's rule states that the entropy of vaporization of nanopolar liquid is 88 JK-1 mol-1.. the normal boiling point of 1-octene is 121.3 C and its melting point is -101.73 C determine the enthalpy of vaporization of this compound.
Name the major dehydrohalogenation product of the reaction of 2-bromobutane with potassium tert-butoxide in tert-butyl alcohol. Explain
It is the universal solvent d. it does not participate in the reaction e. it is necessary for the formation of the bromonium ion
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