Molecular formula of the compound
A compound is found to be 30.45% N and 69.55 % O by mass. If 1.63 g of this compound occupy 389 mL at 0.00°C and 775 mm Hg, what is the molecular formula of the compound?
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A gas has a pressure of 4.82035 atm when its volume is 2.75 L. What will the pressure be when the volume is changed to 1.91015 L, assuming constant temperature? Express the final pressure in torr.
Calculate the necessary dilutions to make a 2mg/mL standard solution and a 12 mg/mL standard solution. All standard solutions must have a total volume of at least 8 mL.
If the absorbance of the solution at 460 nm is 0.938, and the absorbance of the solution at 550 nm is 0.713, calculate the concentration of each dye.
A 5.0 L flask is filled with 0.25 mol SO3, 0.50 mol SO2, and 1.0 mol O2, and allowed to reach equilibrium. Assume the temperature of the mixture is chosen so that Kc = 0.12. Predict the effect on the concentration of SO3 as equilibrium is achieved
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Write an equation for the dissociation of AgCl in water.
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