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What is the sequence by which the anions below will precipitate out of solution as the concentration of lead(II) ions is increased? (Ksp of: PbCrO4=2.8x10-13, PbSO4=6.3x10-7, PbF2=3.6x10-8)
You add an excess of Ca(OH)2 to water maintained at a particular temperature, stir until the solution is saturated, filter, then determine the [OH-] in the solution by titration with acid
Determine what would be the concentration of the final solution If you take a ten mili litres portion of the stock solution and dilute it to a total volume of 0.250 Litres,?
Calculate the volume (L) that the gas occupies after it is dried (the water vapor removed) and stored at STP. The mass of the dry gas is 463 mg. A fragment of the tank indicates that the gas is a monoatomic element.
If 25.0 mL of NO2 gas is completely converted to N2O4 gas under the same conditions, what volume will the N2O4 occupy?
The complexes [Mn(H2O)6]2+, [Fe(H2O)6]3+, [MnCl4]2-, and [FeCl4]- all have magnetic moments of nearly 5.92 BM. What does this tell you about the geometric and electronic structures of these complexes
A buffer solution with a pH reading a 8.50 was prepared by mixing 0.25 mole acid (HA) and 0.05 mile NaOH in 500.0mL DI water. How much more gram of NaOH you should add to this solution in order to have the highest buffer capacity of this solution
Problem- Synthesize (E) 2-Butenal using ethanol as the only source of carbon. Please show all steps, reagents and solvents, including protenation/deprotenation.
Imagine that a space mission is using ethane for a fuel. How much oxygen will the crew be required to bring along if the energy requirements
Suppose that the normal boiling point of material X is Tnb = 410.0 K. What is the boiling point (i.e. temperature) at a higher pressure of 1.20 atm? The enthalpy change associated with vaporization of the material
What is also produced when neon-20 is bombarded with an alpha particle to give oxygen-16
What mass of sodium nitrite must be added to 350 mL of water to give a solution with a pH
Calculate how many moles and grams of aluminum chloride can be made from 2.70 g of aluminum and 4.05 of chlorine. find the mass of aluminum chloride 2Al(s)+3Cl3(g)---2Alcl3(s).
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