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What mass of precipitate will form if 1.5 L of excess Pb(ClO3)2 is mixed with .550 L of .270M NaI. Assume 100% yield and slight solubility of PbI2
Pb(ClO3)2 + 2NaI --> PbI2 (s) + 2NaClO3 (aq)
Enter the net ionic equation for the reaction of aqueous sodium chloride with aqueous silver nitrate Imagine that andA, B are cations and X,Y Z,, and are anions, and that the following reactions occur
A solution is prepared by dissolving 14.4 g ammonium sulfate in enough water to make 100.0 mL of stock solution. A 11.50 mL sample of this stock solution is added to 55.00 mL of water.
Determine hvap for a compound that has measured vapor pressure of 24.3 torr at 273 k and 135 torr at 325 k
The vapor pressure of water is 0.196 atm at 60 C. What is the equilibrium constant for the transformation H2O (l)--><--H2O (g)
Calculate the volume (in mL) of a 0.680 M KOH solution that should be added to 4.000 g of HEPES (MW=238.306 g/mol, pKa = 7.56)
If 114 grams of CS2 are burned in an excess of O2 (an amount sufficient to burn completely all 114 g of CS2), how many moles of SO2 are formed?
Calculate the maximum number of moles and grams of H2S that can form when 152 g aluminum sulfide reacts with 147 g water.
a gas cylinder containing 6.38 mol of neon has a pressure of 491 mm hg at 295 k. if 3.22 mol of helium is added to this
the order reads 12000 units of heparin for your patient. the vial on hand is labeled 10000 units per cc. how many cc
What range of magnetic field strength would be required to cover the mass range between 16 and 625, for singly charged ions, if the accelerating voltage is held constant?
At least how many standard solutions would you need to make calibration graph, assuming that the graph is expected to be a straight line? Explain your answer. Do not include the data from distilled water
During the initial stages of method development, the researcher was unable to separate anthracene and naphthalene with baseline resolution. From the options below, select all possible modifications the researcher could make to improve the resoluti..
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