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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
26.0cm of a solution containinh 1.86g of X2CO3 in 250 reacted completely with 27.0cm of solution contain 3.65g of HCL per dm,calculate the molar mass of X2CO3 and relative atomic mass of X, and identify X.
What is the (balanced) net reaction for the complete oxidation of glucose via glycolysis followed by the citric acid cycle? Remember to include whether there are any (and if so how many) ATP/GTP produced from ADP/GDP
What is the value of Kc for the decomposi- tion of ammonium carbamate into ammonia and carbon dioxide?
What would happen if you increase the pH of this acidic solution by addition of a strong base such as KOH? b.) Write the balanced equation for the reaction (a.) and identify both the stronger acid and base and the weaker acid and base.
what is the empirical formula of a compound containing 16.6% by mass of silicon and 83.4% by mass of chlorine? if the molecular mass of the compound is 336g/mol what is the molecular formula.
How many grams of dry NH4Cl need to be added to 2.50 L of a 0.800 M solution of ammonia, NH3, to prepare a buffer solution that has a pH of 8.74? Kb for ammonia is 1.8*10^-5.
determine the mass of each of the following salts required to form a saturated solution
Concentrated sodium hydroxide is 19.4 M and has a density of 1.54g/mL. What is the molality of concentrated NaOH?
find the percent composition of a compound that contains 1.94g of C, 0.48-g of H and 2.58-g of S in a 5.00-g S sample of the compound
If the heat capacity of the calorimeter is 85 JK , and the density of the liquid -1 is 2.34 gmL , what is the specific heat capacity of the unknown liquid?
the pH of a 0.20 M solution of a weak monoprotic acid is 3.70. What is the value of the ionization constant
Using the given reduction potential determine what is the voltage for these given electrochemical cell
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