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Suppose that 35.55 mL of permanganate solution (KMnO4) is required to titrate 1.2055 grams of iron(II) ammonium sulfate hexahydrate. Calculate the concentration of the permanganate solution.
what mass of nacl is required to lower the freezing point of 1.75kg of water by 2.5 c? what mass of cacl2 would
Identical hard spheres of radius R are packed together to form a simple cubic lattice. What is the ratio a/R, where a is the edge length of the unit cell
Calculate the boiling point of 0.175 m MgF2. I figured out the freezing point and it is -.0977 C, but i cannot figure out the boiling point.
A chemistry graduate student is designing a pressure vessel for an experiment. The vessel will contain gases at pressures up to 210.0 MPa.
indicate whether each are activating or deactivating, and whether each are ortho para or meta directing substituents.
Iodine-131 is one of the most important isotopes used in the diagnosis of thyroid cancer. One atom has a mass of 130.906114 amu. Calculate the binding energy
What do we call a molecule that is made in one step in Reaction Mechanism and used up in another step of Reaction Mechanism
If we made an aqueous solution from 7.7 g of C6H12O6 in a 250 mL volumetric flask, what would be the concentration of C6H12O6 in units of molarity
a 335 ml container holds 0.146 g of ne and an unknown amount of ar at 35degc and a total pressure of 628 mmhg.
Assume that a gold atom is shaped like a sphere. An atom of gold has a radius of 156 pm and a mass of 197 amu. Determine the density of a single gold atom in units of g/cm3. (1 amu = 1.66 x 10-24g).
Precision calipers were used to measure a face-centered unit cell of Cu. The dimension of the unit cell is 0.3616nm. Calculate the raduis of a Cu atom in the FCC structure.
What is the coordination geometry about the vanadium ion incrystals of the alum? Write balanced equations for each reduction step. Assuming an average current of 1.75amps is passed during theelectrolysis, calculate how long it would take to reduce ..
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