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Calculate the formal concentration of a sodium acetate solution prepared by diluting 45.0 mL of a solution containing 10.8 ppm sodium acetate(NaC2H3O2) to a total of 0.500liters of solution.
Sodium carbonate can be made by heating sodium bicarbonate: 2NaHCO3(s) = Na2CO3(s) + CO2(gas) + H2O(gas) Given that for this reaction delta H = 135.5 KiloJoules and delta G = 33.1 KiloJoules at 25 degrees C, at what temperature will the reaction b..
How many mL of 12.0 M HCl should be added to 500 mL of 0.100 M Na2SO3 (Kb2 = 8.13 x 10-13 and Kb1 =1.5 x 10-7) to produce a buffer at pH of 7.00?
A solution of 0.0385 M hypochlorous acid, HOCl, has a pH of 4.47. Calculate the acid dissociation constant Ka.
if an electric car is capable of going 240. km on a single charge how many charges will it need to travel from boston
a sample of cacl2 of 11.8 grams is dissolved in water of 121 grams with both substances at the normal room
the oxygen gas emitted by an aquatic plant was collected over water at a temerature of 293 k and a total pressure of 755.2 mmhg.
What is the standard reaction enthalpy for which the equilibrium constant is doubled when the temperature is increased by 10 C at 298 K
Make a new solution with a total volume of 10.0 mL and How many moles are contained in 500.0 mL of solution
What is the concentration of CH3COOH (Ka = 1.8x10-5) in 50.0 mL of a 0.0187 M CH3COOH solution
1what happens when chlorosulfonic acid comes in contact with water?2how will you safely destroy any residual of
Write balanced nuclear equation for the following transformation. gold-188 decays by positron emission.
The isotope 22Na has a half-life of 2.60 years. How much of a 1.00 gram sample would be left after 1.00 yr?
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