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How much Fe++ could be present in water containing 2 x 1e-02 M HCO3- (bicarbonate) without causing the precipitation of FeCO3 (Ksp=10**(-10.7))?
At pH 6.00 and pE 2.10, what is the concentration of Fe2+ (mol/L) in equilibrium with Fe(OH)3?Hint: Use the Nernst equation and the Ksp for the solubility of solid iron (III) hydroxide.
Identify the unknown gas - Find the molecular formula of the compound
Determine why the 2s and 2p orbitals on Hydrogen are degenerate and they are not in the case of Lithium and calculate Kp at 5 degrees and enter your answer in scientific notation if delta H rxn= -128 kj/mol CH 3 OH,?
determine How many grams of Phosphine (PH3) can produce if 37.5 grams of P4(phosphorus) and 83.0 Litres of H 2 gas react at STP?
61.0 mL of a solution(1.60 M) is diluted to a volume of 208 mL. A portion of that solution(104-mL) is diluted using 121 mL of H 2 O. determine the final concentration?
NH3(Ammonia ) is widely used in many household cleaners and as a fertilizer. Calculate How much ammonia (in units of mol) is produced when 7.8 mol of H gas react with an excess of N gas.
What is the kinetic energy of this soccer baal? Mass of soccer ball is= 0.38 kg and fits this description out of these four given cations ?
Using a sample of a compound containing only oxygen and chlorine reacts with an excess of H2 gas to give 0.206 g water and 0.278 g HCl . ClxOy in presence of H2 (g) → HCl + H2O all the oxygen
Compute the amount of heat required to boil 92.1 grams of benzene (C6H6), start from a temperature of 42.5 degrees Celsius.
Determine What would be the density of the solid if density of toluene at the temperature of the experiment = 0.864 g/mL.?
Determine the mass percentage concentration of a sodium hydroxide solution produced by mixing 50.0 mL of a 25 % (density=2.45g/mL) sodium hydroxide solution with 10.0mL of H 2 O?
Determine what would be the total ?nal pressure of the system in atmospheres If we completely hydrolyzed 0.18 kg of H2O in a 8.2 L container at 300 K?
Determine the partial pressure and the total pressure using Dalton's law of partial pressures - Determine the total pressure of the mixture.
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