I'm afraid i won't pass. and very nervous. can you me . 1. 2al2o3 --> 4al + 3o2 what is the molar ratio of aluminum oxide to aluminum ? aluminum oxide to oxygen? aluminum to oxygen? write your answer as a fraction. do not simplify. for example - 4/8 2. given the following balanced equation: 2hgo --> 2hg + o2 the molar ratio of mercury oxide to mercury? mercury oxide to oxygen? mercury to oxygen? write your answer as a fraction but do not simplify. forexample - 4/4 3. given the following balanced equation: 4nh3 + 6no --> 5n2 + 6h2o the molar ratio of: ammonia to nitrogen? ammonia to water? nitric oxide to ammonia? nitric oxide to water? water to ammonia? or at least an explanation of how i might do it. i'm desperate. and you.