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I need answe for 11 draw the lewis structure for the compounds and determine.....
9l How many moles of gas are in a gaseous sample occupying 0.900 L at 450 mmHg and 25°c? 10 A 300 pound rectangular piece of metal is 45 cm wide, 258 cm long and 36 cm thick. Find out the density of the metal in g/ml. 11) The zincblende structure of ZnS has the relatively large sulfide ions arranged at the lattice points of a face-centered cubic structure. The edge length of this cubic unit cell is 540.9 pm. Determine the density of zincblende. Ans: 4.091 g/cm 11. Draw the Lewis structure for the compound NOs, S02 and NH3and determine a) The molecular geometry b) The bond angle about the central atom c) The hybridization.

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