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Describe how you will separate the following mixture of ions in solution. Include an explanation/rationale of the reagent used, etc. a. Na+ , Al3+, Ni2+, Sr2+
Compute the mass of Trisodium phosphate required to remove all Ca^2+ ions from 2.50 Litres of the H 2 O sample?
Assume that we are comparing the membrane fluidity of lipid bilayers. Rank the fluidity of the following bilayers in the order of increasing fluidity. Explain in each case the rationale behind your prediction
A solution is prepared by mixing 50.0 mL of 0.20 M Pb(NO3)2 with 50.0 mL of 1.5 M KCl. Calculate the concentrations of Pb2+ and Cl - at equilibrium. [Ksp for PbCl2(s) is 1.6 10-5.]
Determine how much concentrated solution can you take to form 1.15 Litres of 0.105M Nitric acid by mixing with H 2 O?
If, in a certain experiment, over a specific time period, 0.0055 mol PH3 is consumed in a 2.3 L container during each second of reaction,
a solution of 8.32g of paba in 150g of chloroform boiled at 62.62C. what is the molecular mass of paba?
A zero-order reaction has a constant rate of 3.20×10-4 . If after 60.0 seconds the concentration has dropped to 6.50×10-2 , what was the initial concentration?
Why can a first nitration be done at 0 degrees Celsius but the ice bath is removed to complete the reaction in a dinitration
Solid phosphorus pentabromide, PBr5, has been shown to have the ionic structure [PBr4+][Br? ]. Write the electron-dot formula of the PBr4+ cation
A certain protein was found to contain 0.412% manganese by mass. Determine the minimum molecular mass of the protein.
What is the hybirdization of a centeral atom that has four sigma bonds and has no pairs of electrons?
A perfectly square piece of gold foil measuring 3.3 mm on an edge is isolated from a bottle of liqueur
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