1- Hydrogen and iodine gases form hydrogen iodide as shown above . Calculate the moles of HI that result from reacting 39.1 grams of 12 with excess hydrogen .
2- Pure titanium metal can be prepared by reacting titanium ( IV ) chloride with magnesium metal , as shown in the equation above . How many kilograms of MgCl? would be produced from 812.5 g of TiCl4 ?
3- A mixture of nitric and nitrous acids can form from the reaction of dinitrogen tetroxide and water as shown in the word equation above . How many grams of nitrous acid can be made from 35.19 grams of water ?
4- Iron ( III ) oxide can be reduced to iron ( II ) oxide by reaction with carbon monoxide as shown in the equation above . How many grams of iron ( II ) oxide can be produced by the reaction of 21.23 g of iron ( III ) oxide and excess carbon monoxide ?