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Compound A is reacted by CrO3 in H2SO4 to give compound B. Compound B gives a molecular ion peak of 134 on low resolution mass spec as well as has a DU=5. Explain what is the molecular formula?
Catalytic converters work to remove nitrogen oxides and carbon monoxide from exhaust. Balance the skeletal equation for one of the reactions that occurs in a catalytic converter.
Which is the anode and which is the cathode of a concentration cell Au/Au^3+ , where the Au^3+ is 0.89 M in one half cell, and 0.14 M in the other. What half reactions occur at each
Above what Fe2+ concentration will Fe(OH)2 precipitate from a buffer solution that has a pH of 9.99? The Ksp of Fe(OH)2
Commercial concentrated nitric acid is 69.0 % by mass HNO3 and has a density of 1.42 g/mL. Calculate the molarity of concentrated nitric acid.
An infant ibuprofen suspension contains 100 mg/5.0 mL suspension. The recommended dose is 10mg/kg of body weight.
A 0.2527-g sample of a mixture of Mg(OH)2 and Al(OH)3 was treated with 50.00 mL of 0.225 mol L 1 HCl(aq). The resulting solution required 13.73 mL of 0.176 mol L 1 NaOH(aq) to neutralize the excess, unreacted HCl.
she particularly enjoys pickling and decides to pickle olivesover a leisurely weekend. according to the recipe she
The product of the reaction between chloro(cyclopentyl)magnesium and pentan-2-one was treated with H2O.
Write a balanced equations and include the phase of the compound (aq or s) , then write a complete ionicequation and if there is a phase change you need to then write a net ionic equation and list the spectator ions.
Calculate the molarity of the following solutions. a) 0.600 mol of Na2S in 1.40 L of solution. b) 20.1 g of MgS in 851 mL of solution.
Based on this equation, what is the value of the Rydberg constant (R) in m-1? (5 significant figures)
what mass of limestone is required to remove all the sulfur dioxide formed by the combustion of 7.5 104 kg of coal that is 0.33 mass % sulfur?
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