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Assume that you dissolve 10.7g of a mixture of NaOH and Ba(OH)2 in 229.5 mL of water and titrate with 1.49M hydrochloric acid. The titration is complete after 108.7 mL of the acid has been added.
What is the mass in grams of NaOH in the mixture?What is the mass in grams of Ba(OH)2 in the mixture?
Calculate the energy of a mole of photon with wavelength of (a) 200nm (ultraviolet), (b) 150pm(X ray), and 1.00cm (microwave).
a balloon is filled with helium. its volume is 5.9 at 26degrees celcius. what will be its volume at 278 degrees celcius?
What difference in titrant volume would you except between the end- point and the equivalence point if the only indicator available was diphenylamine sulfuric acid
What Celsius temperature, T2, is required to change the volume of the gas sample in Part A (T1 = 41celsius, V1= 1770 L) to a volume of 3540 L ? Assume no change in pressure or the amount of gas in the balloon.
19mg of 9-fluorenone is dissolved in 5ml of diethyl ether. The resulting organic solution is extracted with 10ml of water. The Kp for 9-fluorenone in diethyle ether/water is 9.5, how much would remian in the ether layer?
What is the solubility of nitrogen in the divers blood at the bottom of the dive? b: If you assume the mass of the divers blood is 5.0 kg, how many moles of nitrogen comes out of the divers blood when he comes to the surface?
A bicycle tire is filled with air to a pressure of 720 torr at a temperature of 19 degrees Celsius. Riding the bike on asphalt on a hot day increases the temperature of the tire to 58 degrees Celsius.
A solution is prepared by mixing 3.9 g of FeCl3 with enough water to make 125.0 mL of solution. Calculate the molarity of the solution.
What are the molality and mole fraction of solute in a 29.3 percent by mass aqueous solution of formic acid (CH3OH)?
we then titrated both the aqueous and organic layer. for organic layer, we used 0.1M (S2O3)2- for aqueous layer, we used 0.01M (S203)2- find concentration [I]2 (subscript 2) for aqueous and organic layer
Calculate the concentration of a sodium hydroxide solution prepared by dissolving
An unit cell of CsCl was given. Chlorides are at the corners of a primitive cube with a cesium in the middle. Using the Cs atom as the origin calculate the first three terms of the Madelung constant for a CsCl crystal.
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