100 points PLZ HELP Stoichiometry Calculation
Imagine that you are solving the following stoichiometry problem:
When aluminum oxidizes in air, it forms aluminum oxide (Al2O3):
4Al + 3O2 --> 2Al2O3 if a 51g sheet of aluminum oxide formed completely in excess oxygen, how many grams of aluminum were oxidized? Using the magic mole method, you diagram the problem, map out your solution route, and convert your diagram to an equation.
Use this diagram to answer the problems below.
(diagram included
2.What units go in spot C in the equation above?
mol Al2O3. mol. g. g Al2O3
3.What units go in spot B in the equation above?
g Al. mol Al2O3. mol Al. g Al2O3
4.What number goes in spot D in the equation? Enter the number only without any units
5.What number goes in spot E in the equation above? (Enter the number only
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Ответ:
The only reason other metals tarnish, such as copper, silver, steel/iron, is
because they're freely reacting with air, to produce a metal oxide surface layer.