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A solution has [Cl-] = 0.041 mol/L and [I-] = 0.073 mol/L. Finely divided, solid Pb(NO3)2 is slowly added to the solution with stirring. SALT=PbCl2 Ksp=1.6x10-5 SALT=Pbl2 Ksp=7.1x10-9 What are [Pb2+ ], [Cl- ] and [I- ] at the instant the second precipitate just begins to form? Enter your answers with 2 significant figures. [Pb2+ ] = ____________ mol/L [Cl- ] = ____________ mol/L [I- ] = ____________ mol/L
A 0.204-g sample of a CO3^2- antacid is dissolved with 25.0 mL of 0.0981 M HCl. The hydrochloric acid that is not neutralized by the antacid is titrated to a bromophenol blue endpoint with 5.83 mL of 0.104 NaOH.
Explain What is meant by industrial nitrogen fixation. What is produced during this process
What is the molarity of a solution made by dissolving 74.8 g of strontium perchlorate in sufficient water
you are holding 2 balloons, an orange balloon and a blue balloon. the orange balloon is filled with neon gas and the blue one is filled with argon gas. The orange balloon has twice the volume of the blue ballon. What is the mass ratio of Ne:Ar in ..
All of the potassium reacted to produce bubbles of hydrogen gas, which, because of the extraordinary care that was taken, did not ignite. How much hydrogen gas was produced, in units of moles?
To what energy level was the electron initially excited. (b) What is the net energy absorbed or emitted by the atom (in units of eV) in the overall process
Suppose that a fully charged lead-acid battery contains 1.50 L of 5.00 M H_2SO_4. What will be the concentration of H_2SO_4 in the battery after 2.40 A of current is drawn from the battery for 8.00 hours?
The length and width of the settling tanks (two rectangular units are desired with a length to width ratio of 3:1). Assume the average depth of the tank is 4m.
The limiting current of lead in an unknown solutions is 5.60μA. one mL of a 1.00 x 10-3M lead solution is added to 10.0mL of the unknown solution
Sketch a qualitative MO diagram for [Ni(NH3)6]2+ and identify the portion of the diagram considered by crystal-field theory. Imagine the ammonia ligands were all exchanged with a ?-donor ligand.
Five grams of the specified pure solvent is placed in a variable volume piston. What is the volume of the pure system when 50% and 75% have been evaporated at: (i) 30 deg C (ii) 50 deg C?
What is the specific heat capacity of silver? Using the specific heat capacity find the heat energy for 235 g Ag with a change in temperature of 32.1 degree C.
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