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1) 1.71 mL of 0.030 M KI solution was combined with 5.0 mL of 0.012 M Pb(NO3)2 solution and then diluted to 10.0 mL with KNO3. What was the initial concentration of I- in the solution?
2) 2.33 mL of 0.030 M KI solution was combined with 5.0 mL of 0.012 M Pb(NO3)2 solution and then diluted to 10.0 mL with KNO3. How many mmoles of I- are initially in the solution?
3) Some solid PbI2 is placed in distilled water and allowed to come to equilibrium. The equilibrium concentration of I- was found to be 0.00782 M. What is the equilibrium concentration of Pb2+ in the solution?
What is the concentration of free [Cu2+] in an aqueous solution prepared as 0.25M in Cu2+ and 1.50M [NH3]. Cu2+(aq) + 4NH3? [Cu(NH3)4]2+ (aq) Kf = 5.0 x10^12
using a nitrogen gas sample in a container with capacity 1.64 litres a pressure of 121 atm is exerted by this gas
Analysis with an elaborate instrument indicates that substance A contains two elements. Substance B and substance C react to give a new substance D. Substance E decomposes upon heating to give substance F and substance G. Heating substance H to 10..
What volume 0.100 M NaOH will react completely with 25.00 mL of 0.100 M HCl?
The total pressure in an 12.4L automobile tire is 42psi at 15 degrees Celsius. how much does the pressue in the tire rise if it warms to a temperature
How can Infrared Spectrometry and/or NMR spectroscopy be useful in helping to identify structural features of an adduct
Calculate the molar solubility of calcium hydroxide in a solution buffered at each of the following pH's.
What is the boiing point for each compound?
A cell based on the reaction below has a standard potential of +0.42 V at 25°C. If all of the species are at standard conditions except [H+], at what pH will the cell have a potential of zero. H2O2(aq)+ 2 H+(aq) + 2 Cl-(aq)? Cl2(aq) + 2H2O(l)
Perchloric acid is the strongest of the halogen oxoacids while hypoiodous acid (HIO) is the weakest. Explain this in terms of the structure, etc. of the two acids
A solution is made up by dissolving 73 g of glucose in 966 g of water. Calculate the activity coefficient of glucose in this solution if the solution freezes at -.66 degrees C.
Iron(II) chloride (melting point 677°C) and potassium chloride (melting point 776°C) form the compounds KFeCl3 and K2FeCl4 at elevated temperatures.
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