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We titrated KMnO4 into oxalic acid dihydrate, now by using the mass of substance and volume ect. I found the number of moles of oxalic acid in each titration to be 8.836x10^-4 mol. I need to calculate the KMnO4 concentration for each titration, I know its a fairly simple formula but I cant remember it, I have volume of KMnO4 and moles of the oxalic acid how to i find concentration?
equal masses of three different ideal gases x y and z are mixed in a sealed rigid container. if the temperature of the
calculate the composition of the vapor phase at 25 °C if the vapor above the liquid phase is composed only of 1-propanol and 2-propanol
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determine how many mg of a 298 mg sample remains unreacted after twenty three days if 32p decompose by a first-order
William places 20 mL of a 2.6 M sulfuric acid solution into a small flask with a few drops of phenolphthalein indicator. He fills a buette with and 1M NaOH. How many mL of the NaOH solution will he use when the solution in the flask just turns pin..
The temperature of the calorimeter increases by 82.9oC (Celsius). Given that the energy of combustion (?E) for lauric is -37.1 kJ/g, calculate the heat capacity of the bomb calorimeter. Make sure you enter kJ/C for your unit behind the number.
A solution containing sodium fluoride is mixed with one containing calcium nitrate to form a solution that is 0.015M in NaF and 0.010M in Ca(NO3)2. Will a precipitate form in the mixed solution? If so, identify the precipitate.
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A tunable dye laser emits pulses of light at 609.0 nm, each having a total energy of 9.8E-6 J. Calculate the number of photons in each pulse.
When a voltage of 30 V is applied to the heater for 3.0 min, a constant current of 2.5 A is observed. The calorimeter temperature increases from 20.00C to 25.59C. Calculate C_bomb for the calorimeter. Assume 2000.0 g of water in the bucket.
What is the final concentration of the solution made by diluting 4.0 mL of 0.0025M Fe(NO3)3 to a final volume of 10.0 mL
Microwave ovens emit microwave energy with a wavelength of 12.6 cm. What is the energy of exactly one photon of this microwave radiation
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