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The boiling point of a glucose solution (d = 1.16 g/mL) is 100.21 oC. Calculate the osmotic pressure of that solution at 298K. (glucose = 180.2 g/mol ; kfp for water = 1.86 oC/m ; kbp for water = 0.520 oC/m)
Calculate the [NH3] and [H4Cl] in the buffer solution. Calculate the pH of the buffer solution.
you take an unknown solution and measure 1ML of it into a flask. You dilute it with 25mL of water and 10mL of H2SO4. You titrate the solution with 19.80 mL of KMnO4. The (MnO4)- is reduced to (Mn) 2+ by the unknown solution. What is the normality ..
What is the relationship between the wavelength and the frequency
In the acid-catalyzed dehydration of alcohols, an alkene and water are the reactions products. What method of separation has been used in order to collect samples
Determine deltaHvap for a compound that has a measured vapor pressure of 24.3 torr at 273 K and 135 torr at 325 K.
A sample consisting of 3.0 mol of ideal gas molecules at 200K at 2.00 atm is compressed reversibly and adiabatically until the temperature reaches 250K.
The pH of a bicarbonate-carbonic acid buffer is 8.30. Calculate the ratio of the concentration of carbonic acid (H2CO3) to that of the bicarbonate ion (HCO3-).
Which one of the following molecules has a zero dipole moment? A. CO B. CH2Cl2 D. SO2 C. SO3 E. NH3 67. Indicate the type of hybrid orbitals used by the central atom in CCl4. A. sp B. sp2 C. sp3 D. sp3d E. sp3d2 68. What is the hybridization of th..
Write the equation for this reaction, labeling the acid, base, conjugate acid, and conjugate base
hydrochloric acid for neutralization. A 12.0mL volume of a phosphoric acid solution requires 35.1mL of the sodium hydroxide solution for complete neutralization.
What is the boiling point of the solution produced by adding 363 g of ethylene glycol (molar mass = 62.1 g/mol) to 1.5 kg of water? For each mole of nonvolatile solute, the boiling point of 1 kg of water is raised 0.51°C.
A voltaic cell is constructed that uses the following reaction and operates at 298 K. (Ered Ni+2 is -0.277) Zn(s) + Ni2+(aq) Zn2+(aq) + Ni(s) (a) What is the emf of this cell under standard conditions?
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