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You have 135.8 mL of a 2.50, solution of Na2Cr04 (aq). You also have 125 mL of a 2.50 M solution of AgNO3. Calculate the concentration of Na+ after the two solutions are mixed together.
at 90C the foll equilibrium is established, H2(g) + S(s)=H2S(g) K=6.8*10-2 If 0.2 mol of hydrogen and 1 mol of sulphur are heated to 90C in a 1L vessel.
How do i calculate the aveage current that flowed thorugh an electrolytic cell from the delta [OH-] (3.910), volume of the solution (30mL) and the time of electrolysis (15min)
A solution of glycerol in 701 g of water has a boiling point of 103.8 C at a pressure of 760 mm Hg. What is the mass of the glycerol in the solution?
.914g sample of stannous flouride gives a 1,078g precipitate of stannous phosphate. calculate the theoretcial yeild?
Which of the following ionic compounds will be more soluble in acid solution than in water? Explain your choice/s
Calculate the amount of heat needed to convert 96 g of ice at -24C to water at 28C. The specific heat capacity of H2O(s) is 2.1J/g*C.
How long does it take for the radioactive isotope to decay to 4.9×10?3 mg? (Assume no excretion of the nuclide from the body.)
Iodine-131 is used in medicine to assess thyroid gland function. How many protons and neutrons are present in an iodine-131 atom?
What is the buffer component ratio, ([CH3COO-]/[CH3COOH]) of an acetate buffer
How long will it take in minutes until 42% of the original NO2 remains if the rate constant is 0.0066L/(mol sec) and the initial amount of NO2 is 0.45 mol/L?
An injection containing 10.0pg 10 5 B was injected into a patient suffering from a brain tumor. The patient was irradiated by a neutron gun at the site of the tumor.
Chlorine will spontaneously react with iodide to produce chloride and iodine.
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