8.00 mole of iron and 7.00 mole of oxygen gas are used in the above reaction How many moles of excess oxygen are left over after the reaction goes to completion?

In this chemical reaction, 325 grams of barium (ba) react completely. how many moles of lithium (li) are produced?

In 1901, thomas edison invented the nickel-iron battery. the following reaction takes place in the battery. fe(s) + 2 nio(oh)(s) + 2 h2o(l) fe(oh)2(s) + 2 ni(oh)2(aq) how many mole of fe(oh)2, is produced when 5.35 mol fe and 7.65 mol nio(oh) react?

In salt water solution,the salt is the blank