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Calculate x, the number of molecules of water in oxalic acid hydrate(H2C2O4-xH20), from the following data:5.00 g of the compound is made up of exactly 250 mL solution, and 25.0 mL of this solution requires 15.9 mL of .500M NaOH solution for neutralization.
the temperature of the surrounding remains essentially constant during the process. Calculate deltaSsystem, deltaSsurroundings and deltaStotal.
converted completely to another molybdenum oxide by adding oxygen. The new oxide has a mass of 17.63 g. Add subscripts below to correctly identify the empirical formula of the new oxide.
Here is the question and I need help showing the whole problem and solution. It says: Solid Chromium (III) Sulfide is placed in a test tube and mixed with water
The first ionization energy of a sodium atom is 0.830 aJ. What is the frequency and wavelength, in nanometers, of photons capable of just ionizing sodium atoms
What is the density of a block of marble that occupies 253 cm3 and has a mass of 752 g?
What is the molarity of a solution that contains 343.0 grams of phosphoric acid, H3PO4, in 2.0 L of solution
What volumes of the stock solution will you have to pipet into the flasks to prepare standards and What mass of gas does the container contains If the volume of a container
What is the atomic radius of a Cs atom( either in pm or A) . State assumptions used
The acid dissociation constant for hypochlorous acid (HClO) is 3.0x10-8. Calculate the concentrations of H3O+, ClO- and HClO at equilibrium if the initial concentration of the acid is 0.05 M. What is the pH? I made an ice table and found x to be 3..
determine the mole fraction biphenyl c12h10 in a 0.555m c12h10 solution in c6h6 benzene ?write down the balanced
Each of the following statements about fructose is correct except one. Which statement is incorrect. a. Fructose is a stereoisomer of glucose.
Consider a sealed flask with a moveable piston that contains 5.25L of O2 saturated water vapor at 25O C. The vapor pressre of water at this temperature is 23.76 mmHg. The piston is depressed at constatnt temperature so that the gas is compressed t..
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