What are the concentrations of the invidual ions
Question: A solution is prepared by diluting 25.00 ml of a .308 M solution of NiCl2 to a final volume of 0.500 L. What are the concentrations of the invidual ions Ni and Cl in this solutions?
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For the following two peptides, draw the chemical structure of both peptides,indicating where the peptide bonds are.
Calculate the average atomic mass in units of amu for iron (Fe) given that the naturally occurring element exists mainly as a mixture of Fe-56 (91.754%0), Fe-54 (5.845%), and Fe-57 (2.119%). Does your value agree with that shown in the periodic ta
Given the reaction X(aq) 3Y(aq) <===> 2Z(aq). Suppose the initial [X] is 0.55M and [Y] is 0.80 M. After equilibrium is reached, [X] = 0.35M. Calculate the Keq (Kc) for this reaction.
Why is it more difficult to precipitate cupric acetate (verdigris) than cupric carbonate hydroxide (malachite)
(a) Calculate the percent ionization of 0.00190 M acetic acid (Ka = 1.8e-05). % ionization = % (b) Calculate the percent ionization of 0.00190 M acetic acid in a solution containing 0.0710 M sodium acetate. % ionization = %
The experiment is performed with hexane. A final weight for the gas of 0.31 grams is obtained. What is the value for n to be used in the gas law calculation?
The initial state of a gas is pressure =0.80, temperature =45 degree celcuis, volume=1.4 liters. The conditions were changed to pressure=0.76atm, volume=1.4liters, the new temperature is
Write the overall balanced equation of potassium permanganate with sodium oxalate in acidic solution using the half reaction method. Indicate the oxidation states for each species as well as the oxidizing agent and reducing agent.
Which of the following are molecular solids and which are covalent solids. SO2, I2, P4, S8, H2O, SiO2
Assuming 91% efficiency for conversion of potential to electrical energy, and 8% loss of the resulting power in transmission, what is the mass flowrate of water required to power a 200-watt light bulb?
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