2.10 g of potassium iodide (KI) are dissolved in water. Then chlorine gas is led down into the solution. A precipitate of iodine (I2) is then formed. Write the formula for the reaction
Calculate the mass of the iodine that can be maximally formed.

15) a substance used in manufacturing gasoline consists of finely divided platinum supported on an inert solid. suppose that the platinum is formed by the high temperature reaction between platinum (iv) oxide and hydrogen gas. the other product is water. a) write and balance the equation b) how many grams of hydrogen are needed to produce 1.0 g of platinum metal? c) how many moles of water are produced at the same time? how many grams? ( show work, .)