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How many grams of PbCl2 will be produced if excess HCl is added to 30.00 mL of a 0.2319M solution of PbNO3 according to the following reaction. (Assume that the reaction proceeds to completion. MWPbCl2 = 278.1164 g/mol.)
Pb2+(aq) + 2Cl-(aq) -----> PbCl2(s)
What is the concentration of a NaOH solution if 34.98 mL of it reacted with 1.9278 g of KHP? (MWKHP= 204.23 g/mol)
Calculate the de Broglie wavelength of a 143g- baseball traveling at 90mph ?
There are 3 different possible structures (known as isomers) for a dibromoethene molecule, C2H2Br2. One of them has no net dipole moment, but the other two do. Draw a structure for each isomer. Include H atoms.
For the following reaction, denote whether the equilibrium lies with the products or with the reactants.2NO2(g) + 02(g) 2NO2 (g) Kp = 5.0*1012
What mass of precipitate will form if 1.50 L of concentrated Pb(ClO3)2 is mixed with 0.400 L of 0.260 M NaI. Assume the reaction goes to completion.
Technetium-99m is used for radioisotope-guided surgical biopsies of certain bone cancers. A patient must receive an injection of 28mCi of technetium-99m 6-12 hours before surgery.
Does this show that they are identical structures? If not what additional TLC experiments might one perform to ascertain the identity of the unknown?
How many grams of silver chloride will be produced if 216 grams of silver is allowed to react with an unlimited amount of chlorine?
a balloon filled with helium gas has a volume of 500ml at a pressure of 1 atm. the balloon is released and reaches an
The density of methyl salicylate is 1.18 g/mL at 20 degrees Celsius. Determine the limiting reactant and explain why it is the limiting reactant.
At 1045K the partial pressures of an equilibrium mixture of H2O (g), H2 (g), and O2 (g) are .040, .0045, and .0030 respectively. Calculate the value of the equilibrium constant Kp at 1045K
If the concentration of bromide ion in a saturated solution in equlibrium with PbBr2 solid is determined to be .0125M what is the solubility of PbBr2
Atomic absorption spectrometry was used with the method of standard additions to determine the concentration of cadmium in a sample of an industrial waste stream
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