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Explain what is the molar solubility of Sr3(AsO4)2 as well as the concentration of Sr+2 and AsO4-3 in a saturated solution at 25 C? The Ksp is 1.3x10-18. Illustrate the balanced reaction.
Determine what would be the total ?nal pressure of the system in atmospheres If we completely hydrolyzed 0.18 kg of H2O in a 8.2 L container at 300 K?
A piece of metal with a mass of 151 g is placed in a 50 mL graduated cylinder. The water level rises from 20. mL to 35 mL. What is the density of the metal?
using 1.16x10^-12 for ksp, calculate how many milligrams of Ag2CrO4 will dissolve in 10mL of H2O
used to fill a weather balloon in order to lift equipment into the stratosphere. To what maximum pressure (in atm) could a 271 L balloon be filled?
compute the volume of sodium hydroxide that is required to make a buffer with a pH = 5.77.? given that pKa = 4.77. and initial volume of the acid solution = 1.00 Litre.
Acetylsalicylic acid (aspirin), HC9H7O4, is the most widely used pain reliever and fever reducer in the world. Find the pH of 0.011 M aqueous aspirin at body temperature (Ka at 37C = 3.6 10-4).
Classify the substances according to the strongest solute-solvent interaction that will occur between the given substances and water during dissolution.
160 mL that contains 400 mg of NH3 and 980 mg of NH4NO3. (Given: Kb (NH3) = 1.8 x 10-5
Calculate the solubility of O2 in water at a partial pressure of O2 of 120 torr at 25 Degrees celsius. The Henry's law constant for O2 is 1.3 X 10^-3 mol/L X atm for Henry's law in the form C=kP, where C is the gas concentration (mol/L)
In an equilibrium mixture of the three gases, the partial pressures of SO2Cl2 and SO2 are 3.31 atm and 1.59 atm, respectively. What is the partial pressure of Cl2 in the equilibrium mixture?
Write balanced equations for the following reactions: preparations fo the semicarbazone of cyclopentanone, preparations of the 2,4-DNP of benzaldehyde, tollen's test for formaldehyde, idoform reaction with acetophenone.
Suppose you were asked to prepare 20.0 Litres (about 5 gallons) of 0.100 M H2SO4 solution for all the chem 1411 labs doing this experiment.
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