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A 0.150-mole quantity of NiCl2 is added to a liter of 1.20 M NH3 solution. What is the concentration of Ni2 ions at equilibrium? Assume the formation constant* of Ni(NH3)62 is 5.5 × 108.
Concentrated acetic acid is 17.5 M; vinegar is 0.87 M acetic acid. How much concentrated acid do you need to make 24 L of vinegar? Use the equation c1V1=c2V2 (where c = concentration and V = volume)
Calculate the mass of oxygen (in mg) dissolved in a 5.00 L bucket of water exposed to a pressure of 1.13 atm of air.
Fuel cells combine H2(g) and O2(g) to produce H2O(g). What is the crossover temperature for this reaction at standard state
Calculate the final temperature of a mixture of 100.0 g of ice initially at -16.0 degrees C and 375.0 g of water initially at 90.0
The skeletal structure of one molecule is included to indicate the proper format; modify the X\'s on the given structure to create the first stereoisomer
Solve an equilibrium problem (using an ICE table) to calculate the pH of a solution that is 0.185 M in HC2H3O2 and 0.120 M in KC2H3O2
Consider titrating 15.0ml of a .245M solution of hydazine, H2NNH2, with a .453M HCl solution. The Kb value for hydrazine is 1.3x10^-6. What volume of HCl needs to be added to the solution in oder to have a bffer system with the maximum capacity fo..
A 25.00 mL sample of a sodium hypoclorite liquid bleach is placed in a 250 mL volumetric flask and diluted to the mark. A 25.00 mL aliquot of this solution is placed in a 250 mL Erlenmeyer flask.
the colors of the solutions are red, yellow, green, and blue. Further experiments reveal that two of teh complex ions are paramagnetic with four unpaired electrons and teh other two are diamagnetic. What can be deduced from this information about ..
Assuming the turbine is well insulated, what is the maximum power that can be generated by the turbine?
On average, how many collisions between nitrogen molecules and oxygen molecules will occur in one second in 1.00 cm3 of air at 25oC and 1.00 bar
Someone is forced to titrate a solution containing 100 mL of .250M sodium acetate with .125 M nitric acid. Calculate the pH of the solution after adding 50.0 mL of the nitric acid.
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