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48.61g od maagnesium was dissolved in diluted sulfuric acid and 490g of MgSO4. 7H2O was isolated from the solution. How many percent of impurities did the metal contain?
The first-order decomposition of phosphene to phosphorus and hydrogen 4PH3(g) → P4(g) + 6H2(g)
show the path an electron takes when orbiting an atom describe regions of space in which one is most likely to find an electron.
Calculate molality and mass percent of alcohol in the mixture. A solution of ethanol, C2H5OH, in water has a concentration of 1.996 mol L-1. At 20.0 ºC its density is 0.9677 g mL-1
we then titrated both the aqueous and organic layer. for organic layer, we used 0.1M (S2O3)2- for aqueous layer, we used 0.01M (S203)2- find concentration [I]2 (subscript 2) for aqueous and organic layer
A patient has 48 ml. of blood drawn and this volume of blood has a mass of 39.5 g. what is the specific gravity of the blood?
Draw appropriate Lewis structure and VSEPR structure for oxalate anion. What is the O-C-O bond angle? What is the C-C-O bond angle? What is the hybridization of each carbon? On which atoms does the negative charge reside? Draw all resonance struct..
What is the maximum number of liters of Fe2O3(s) that can be made from 11.53 L of O2(g) and 16.07 L of FeS(s) at STP?
What type of chemical reaction is the following?
compute the water volume that is released upon its total metabolism to carbon dioxide and H 2 O, taking into account any oxidative phosphorylation that might occur.
Ionization energy is the energy required to remove an electron from an atom in the gas phase. The ionization energy of lead is 715.0 kJ/mol.
Draw the six conformers in newman projection for the 60 degree intervals from 0 to 360 degrees for carbon atoms 3 and 4. Clearly show which carbon is represented by the "dot" and the "circle" Show which C
What is the molarity of a solution that is 7.00% by mass magnesium sulfate and has a density of 1.071.
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