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A 25 ml sample of a copper (ii) solution needs 35.45 ml of 0.2000 M Na2SO3 solution to reach the end point. Compute the molar concentration of Cu2+ in the sample?
Compute the molarity of NaOH from a titration that contained 0.5156 g of KHP and 29.35mL of 0.1 M solution of NaOH used.
what precipitate would form if calcium chloride, 5% dextrose, 0.9% sodium chloride, and potassium phosphate
what is the boiling point of a solution of 8.69 g of the electrolyte sodium acetate nach3coo dissolved in 15.00 g of
describe how sp3 hybridization occurs in each atom. a) carbon b) nitrogen c) oxygen. If these elements use sp3 hybrid orbitals to form bonds, how many lone pairs of electrons would be found on each?
What would happen if bezaldehyde react with a high (50%) concentration of sodium hydroxide in the absence of acetone via aldol condensation
22.4 liters of a gas weighs 70g at s.t.p. calculate the weight of the gas if it occupies a volume of 20 liters at 27c
Consider the following reaction at equilibrium. What effect will increasing the volume of the reaction mixture have on the system
determine the mole fraction biphenyl c12h10 in a 0.555m c12h10 solution in c6h6 benzene ?write down the balanced
Calculate the work done in joules by the reaction when 0.21 g of Na reacts with water to form hydrogen gas at 1°C and 3.0 atm in an open container.
The citric acid cycle has a catabolic role, oxidizing acetate into CO2 and generating energy, and an anabolic role. Many of the citric acid cycle intermediates serve as precursors for the biosynthesis of larger molecules. Move each of the followin..
Using the following list of normal boiling points for a series of normal hydrocarbons, estimate the normal boiling point for octane, C8H18. Be certain to explain your procedure
Initially a mixture contains 0.601 mol each of N2 and O2 in an 7.65-L vessel. Find the composition of the mixture when equilibrium is reached at 3900°C. For the reaction below, the Kc = 0.0123 at 3900°C. N2(g) + O2(g) 2 NO(g)
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