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Calculate the molar solubility of AgBr in a 1.00 M aqueous solution of ammonia. Then calculate the solubility of AgBr in pure water, and compare the two solubilities. (Ksp for silver bromide is 7.7x10^-13 and Kf for Ag(NH3)2+ is 1.6x10^7)
Draw those that have a trisubstituted ring where the methyl groups are oriented meta.
What is the pH of a buffer that consists of 0.20 M NaH2PO4 and 0.40 M Na2HPO4? Ka = 6.2 × 10-8
Calculate the quantity of energy produced per mole of -235 (atomic mass = 235.043922 ) for the neutron-induced fission of -235 to produce -137 (atomic mass = 136.9253 ) and -97 (atomic mass = 96.910950 ). E= J/mol U235
Guesstimate the extent of the dipole moment of H 2 O in Debye units, treating H 2 O as three point charges. suppose the O-H distance = 1.00 A, angle H-O-H =104°. The
in a laboratory practical exam students were asked to prepare an aqueous buffer solution having a ph close to 9. which
Magnesium sulfate, MgSO4, is added to 461 mL of 0.030 M sodium hydroxide, NaOH, until a precipitate just forms. How many grams of magnesium sulfate were added?
Calculate the volume (in liters) occupied by 2.08 moles of nitric oxide (NO) at 5.84 atm and 76°C.
Cyclic Alkyne reaction with KMnO4 and O3, Molecule 1: 5 carbon ring, carbon 1 has a carbon attached which also is triple bonded to another carbon (this end carbon just has a H attached.)
A solution is initially 0.050M in acetate, CH3COO- (Kb = 5.6 x 10^-10). 10.0mL of 0.10 M HCl is added. Calculate Ka for the conjugate weak acid of CH3COO-
hydrochloric acid reacts with aluminum to form aluminum chloride and gseous hydrogen. whats the mass of aluminum
What volume of a 0.33 M Mg(NO_3)_2 solution contains 97 g of Mg(NO_3)_2?
How many milliliters of 0.20M NaOH do you need to neutralize 40.0 ml of 0.12M acetic acid?
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