Complete your work of the 2 problems below on a sheet of paper and submit an image. I. Lead ions can be precipitated fro

[answerhappygod]

Complete your work of the 2 problems below on a sheet of paperand submit an image.
I. Lead ions can be precipitated from aqueous solutions by theaddition of aqueous iodide. Below is an unbalanced net ionicequation of the reaction: Pb2+ (aq) + I-1 (aq) → PbI2 (s)
Lead iodide is virtually insoluble in water so that the reactionappears to go to completion. How many milliliters of 13.550 MHI(aq) must be added to a solution containing 145.0 g of Pb(NO3)2(aq) to completely precipitate the lead?
II. Pure magnesium metal is often found as ribbons and caneasily burn in the presence of oxygen. When 3.6 g of magnesiumribbon burns with 55HL of oxygen at 1.0 atm and 275 K , a bright,white light and a white, powdery product is formed, magnesiumoxide. How many grams of excess reactant remain?