5. Aluminum and oxygen combine in a mass ratio of 9.00 to 8.00 in a combustion
reaction that forms aluminum oxide. If a flashbulb contains 5.4 x 10* -3grams of
aluminum, what mass of oxygen must be present for complete combustion of the
aluminum?

2-bromo-2-methylbutane undergoes an e1 elimination reaction in the presence of ethanol. in the next reaction only one of the possible products is represented. although the product shown is not the major product of the reaction, notice that there is more than one way it can be produced. complete the mechanism and draw the missing substances.