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Calculate the total concentration of lead dissolved ([Pb]total) in a solution saturated with PbI2(s) and containing dissolved I- with a concentration of [I-] = 0.294 M. The solubility of lead is governed by the reactions shown below.
PbI2(s) <--> Pb2+ + 2I- Ksp=7.9E-9Pb2+ + I- <--> PbI+ K1=1.0E2Pb2+ +2I- <--> PbI2(aq) B2=1.4E3Pb2+ +3I- <--> PbI3- B3=8.3E3Pb2+ + 4I- <--> PbI42- B4=3.0E4
draw 1-fluoropentane and predict the number of hydrogens per signal in a H-NMR spectra, and the splitting for each signal?
Consider the following reaction: CO(g)+H2O(g)in equilibrium with CO2(g)+H2
Perform whatever separations and tests you think necessary to determine which ions are in fact present
The disappearance of X is monitored at timed intervals. Assume that temperature and volume are kept constant. The data obtained are shown in the table below.
Application of the concepts of VSEPR theory leads us to conclude that the shape of the SO3 molecule is
Find the temperature at which ethanol boils on a day in the mountains when the barometric pressure is 547 mmHg. (Given: The heat of vaporization of ethanol is 39.3 kJ/mol; the normal boiling point of ethanol is 78.3°C.)
What would be the concentration of oxygen (in molarity units) if the gas had remained in the solution? C. Based on the above data, what is the rate of the reaction (in units of solution molarity per second)?
In the experiment aniline and acetic anhydride are reacted to form acetanilide, how do you calculate the theoretical yield of acetanilide?
Arsenic acid (H3AsO4) is a triprotic acid with Ka1 = 5. 10-3, Ka2 = 8. 10-8, and Ka3 = 6. 10-10. Calculate [H + ], [OH ? ], [H3AsO4], [H2AsO4? ], [HAsO42- ], and [AsO43- ] in a 0.62 M arsenic acid solution.
Could someone please explain why synthesized soap and detergent have different reactions when they are mixed with calcium chloride
A Balloon with a volume of 2.00 L is at a pressure of 1.5 atm and a temperature of 20C. If the balloon is put into a container and the pressure is increased to 2.0 atm and the temperature is raised to 25C, what is the new volume of the balloon?
Consider ATR sampling using a trapezoidal ZnSe crystal. In the mid-infrared region, refractive indices for ZnSe and water are approximately 2.4 and 1.3, respectively. What is the penetration depth (?m) for IR radiation of 1600 cm-1 if it strikes t..
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