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Problem- Calculate the concentration of iodide ions in a saturated solution of lead(ll) iodide. The solubility product constant of PbI2 is 2.7* 10^-6
Express your knowledge to solve the above question
Problem- Place each charge form of alanine under the pH condition where it would be the predominant form. The pKa values for the carboxyl group and amino group of alanine are approximately 2.3 and 9.7, respectively.
A 130.0 mL sample of a solution that is 2.7×10?3 M in AgNO3 is mixed with a 230.0 mL sample of a solution that is 0.11 M in NaCN. After the solution reaches equilibrium, what concentration of Ag+ (aq) remains?
You measure its osmotic pressure in an osmometer at 2.746 atm at 25 degrees C. What is the concentration of the sodium cloride solution in units of g/L
How many grams of the element nickel are contained in 10.0 g of a 10.2 wt % solution of nickel sulfate hexahydrate, NiSO4 . 6H2O (FM 262.85)?
A single alkyl bromide reactant theoretically yields either of the given products, depending on the reaction conditions
Why should a distilling flask be filled to not more than two-thirds of its capacity at the beginning of a distillation procedure?
How many moles of CH_3_COOH are present in the beaker? What is the concentration of acetic acid?
normal glucose levels in the blood are from 70 to 10 mg glucose per 100 mL of blood. If the level falls too low, there can be brain damage.
The 14C-Labeled glyceraldehyde 3-phosphate was added to a yeast extract. After a short time, fructose 1,6-biphosphate labeled with 14C at C-3 and C-4 was isolated. Explain what was the location of the 14C label on the starting glyceraldehyde 3-pho..
given that the normal melting point of cyclohexane is 6.47 degree C and the enthalpy of fusion at this temperature is 2.68 kJ/mol. State any assumptions or approximations made.
Two unknowns, X and Y, both having the molecular formula C4H8O, give the following results with four chemical tests. Propose a structure for Y consistent with this information. Bromine Na metal Chromic acid Lucas reagent Cpd X decolorizes bubbles ..
Calculate the partial pressure of each gas in the container. Express the pressure values numerically in atmospheres, separated by commas. Enter the partial pressure of methane first, then ethane, then propane.
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