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 1.241-g sample of a solid, weak, monoprotic acid is used to make 100.0 mL of solution. 50.0 mL of this solution was titrated with 0.08126-M NaOH. The pH after the addition of 30.29 mL of base was 4.86, and the equivalence point was reached with
The work function of silver is 7.59x10^-19J. what is the longest wavelength of electromagnetic radiation that can eject an electron from the surface of a piece of silver
Which of these characteristics is necessary to achieve a line spectra for any given element. Which of these characteristics is necessary to achieve a line spectra for any given element.
Identify the ground state free ion terms with the spin multiplicity for the following cases: Cu2+, V3+, Cr3+, Mn2+, Fe2+, and Ni2+
Can the lubricant be removed by heating the spooled wire to some temperature? If so what temp and how long should it be held at the temperature?
Pure copper may be produced by the reaction of copper(I) sulfide with oxygen gas as follows: Cu2S(s) + O2(g) ? 2Cu(s) + SO2(g) If 0.330 kg of copper(I) sulfide reacts with excess oxygen, what mass of copper metal may be produced
Analysis of a compound containing only C and Cl revealed that it contains 33.33% C atoms by number and has a molar mass of 248.75 g/mol. What is the molecular formula of this compound?
The rate law for the decomposition of N2O5 is rate = k[N2O5]. If k= 1.0 x 10-5(exp) s-1, what is the reaction rate when the N2O5 concentration is 0.0010 mol L -1
Bromobutane can be converted to butan- ol using aqueous potassuim hydroxide solution. Outline one possible method. that does NOT involve the use of rate experiments, of determining wether the mechanism of the reaction is SN1 or SN2
Suppose that, during an extraction, you lost track of which flask contained the aqueous layer. What could you do to determine which layer is which
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