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A sample of 8.00L of NH3 (ammonia) gas at 22 ?C and 735 torr is bubbled into a 0.300L solution of 0.400 M HCl (hydrochloric acid).The Kb value for NH3 is 1.8×10?5.
Assuming all the NH3 dissolves and that the volume of the solution remains at 0.300L , calculate the pH of the resulting solution
What mass of silver chloride can be prepared by the reaction of 130.0 mL of 0.15 M silver nitrate with 190.0 mL of 0.30 M calcium chloride?
Calculate the percent yield for the reaction. A scientist performs this reaction in the lab by starting with 30.02 g of Mg and 0.992 moles of Cl2 gas
N2H4+3O2----2NO2+2H2O The limiting reagent is O2 how many kg of NO2 are produced from the reaction of 75kg of the limiting reagent.
The expansion of an IDEAL GAS in a vacuum. Is it an endothermic process
A solution is prepared by dissolving 12.9 g ammonium sulfate in enough water to make 100.0 mL of stock solution. A 15.00 mL sample of this stock solution is added to 53.00 mL of water.
Calculate the molar solubility of AgCl in a 1.00L solution containing 10.0g of dissolved CaCl2. Compare the molar solubility of Mg(OH)2 in water and in a solution buffered at a pH of 9.0
for the neutralization reaction involving HCl and Mg(OH)2, how many liters of 0.60 M HCl are needed to react with 45 g of a 2.5 M Mg(OH)2 solution? (density= 1.3 g/mL)
Determine that how many moles of molecular hydrogen are used per mole of the precatalyst in order to convert it entirely to platinum metal?
provide the correct molecular geometry by its English name and by drawing the proper stucture. Use a three dimensional drawing.
Find the molarity of a solution prepared by dissolving 120 g CaCl2 (MW = 111 g/mol) in 450 cm3 of solution.
Calculate the flux of CO2 to the atmosphere (in kg/yr), given that its atmospheric concentration is 360 ppm and its atmospheric residence time is 4 years.
Calculate the pH during the titration of 100.0 mL of 0.200 M HCl with 0.400 M NaOH. First what is the initial pH (before any NaOH is added
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