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Draw the Lewis structures and determine which of these molecules has a central atom that violates the octet rule. Please note that NO3 has an odd number of electrons. But you must decide where the missing electron will be. Does the central atom violate the octet rule or do the oxygen atoms? Use formal charges to decide.
PCl3
BCl3
NO3-
XeF2
SO2
CS2
IF5
NH3
SO3
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Find reactant and product information, Balance the following reaction: Mn + HCl --> MnCl2 + H2, If you have 100g of Mn and 100g of HCl find
A mechanic in an automotive repair shop is exposed to the following carbon monoxide levels over an 8 hour shift.
What is the concentration of a solution of lithium carbonate containing 0.01 mol in 750 mL of solution? Give your answer to two significant figures and include the units as mol L-1 ie 0.36 mol L-1
Calculate the number of moles of solute present in 50.0mg of aqueous solution that is 1.25 molality NaCl.
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