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A manganese complex formed from a solution containing potassium bromide and oxalate ion is purified and analyzed. It contains 10.0% Mn 28.6%, potassium 8.8%, carbon, and 29.2% bromine by mass. The remainder of the compound is oxygen. An aqueous solution of the complex has about the same electrical conductivity as an equimolar solution of K4[Fe(CN)6]. Write the formula of the compound, using brackets to denote the manganese and its coordination sphere.
is it possible to use methylene blue to determine the concentration of ascorbic acid in orange
chloride solution and it turned out to be 8.35g, what is the percentage composition of the iron (III) chloride solution?
Write equations that show the process for the first two ionization energies of tin. Express your answer as a chemical equation.
a researcher plans to compare two treatment conditions by measuring one sample in treatment 1 and a second sample in
the reaction of copper(I) sulfide with oxygen gas as follows: Cu2(s) + O2(g) ? 2Cu(s) + SO2(g) If 0.330 kg of copper(I) sulfide reacts with excess oxygen, what mass of copper metal may be produced
An insulated tank contains half liquid and half vapor by volume in equilibrium. The release of a small quantity of vapor without the addition of heat will cause
Estimate the total calories in a slice of bread that has 9.0 g of carbohydrates, 2.0 g of protein, and 1.0 g of fat. What percentage of total calories is from fat?
You are asked to prepare a standard solution of 10.0 mM of valine at pH 5.35 for a biochemistry experiment. The pI of valine is 5.96. What percentage of the valine in the solution is present as the anion
Utilizing paper chromatography a student separated a dye spot into 3 components: A, B, C. The components traveled 4.2 cm, 5.7 cm, as well as 8.0 cm respectively from their primary position on the strip. The solvent front traveled 12.1 cm.
How does domestic monetary and fiscal policy affect the trade balance?
as the wavelength of the light increases the frequency _____? as the wavelength of the light increases the photon energy ___?
What is the numerical value of the rate constant and what are the units? and Calculate the rate of this reaction when the initial concentrations of OCl- and I- are 7.6 x10-3 M and 9.6 x 10-3M respectively.
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