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Problem- An ore was found to contain 32.0% Fe2O3 (ferric oxide) and no other iron. What mass of iron can be obtained from 64.0g of this ore?
Please demonstrate all work. Thank you in advance
A solution is made by mixing equal masses of methanol, CH4O, and ethanol, C2H6O. Determine the mole fraction of each component
The volume of a single molecule of water is 2.99 x 10^-23 mL. For a sample of gaseous water at 1.00 atm and 150° C, what fraction of the containers volume is occupied by the molecules themselves
Question- A solution 25.0 mL NaCH3COO and 10.0 mL 1.0 M CH3COOH has a pH of 5.18. Find the Ka of acetic acid and calculate the pH of the buffer after 2 mL of 1.0 M NaOH are added to the solution.
The reaction between nitrogen and oxygen gases requires the absorpotion of 43 kJ of energy per mole of nitrogen according to the following chemical equation,
ethane gas at 140 f is burned in a steady-flow process with theoretical air at 40 f in such a way that the products are
Problem- A particular metal ion octahedral complex had the same numver of unpaired electrons (non-zero) whether the complex uses weak or strong field ligands. List several fourth period transition metal ions that could have this behavior and defen..
what may happen to a large i.e. 30-50lb container of trichloro-s-triazinetrione or calcium hypochlorite if it is left
Derive a formula for the block density, pb, in terms of the fluid densities p1 and p2, the height h0, h1, and h2, and the cross-sectional area A.
sample of anhydrous salt sodium sulfate Na2SO4 is allowed to absord water to form the decahydrate salt.
Which equation gives a lower pressure. Why. What is the percentage difference of the van der Waals equation result from the ideal-gas equation result
The student then adds water to the flask dissolving the sugar the mass is now 204.274g. calcuate the density of this solution
A student prepared a solution of sodium carbonate by adding 2.111 g of the solid to a 250.0 ml volumetric flask and adding water to the mark. Some of this solution was transferred to a burette. Explain what volume of solution the student should tr..
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