Question 1
If 294 grams of FeS
2 is allowed to react with 176 grams of O
2 according to the following unbalanced equation, how many grams of Fe
2O
3 are produced?
FeS
2 + O
2→ Fe
2O
3 + SO
2◦ 160 g
◦ *
Question 2
There are ________ mol of bromide ions in 0.900 L of a 0.500 mol L
-1 solution of AlBr
3(aq).
◦ 1.35
◦ *