Answer to Question #316795 in Chemistry for nabs

Question

Given the unbalanced equation:

Al(s) + O2 (g)  Al2O3 (s)

atomic mass: Al (26.98); O (16.00)

a. How many mole of Al and O2

are needed to produce 10 moles of Al2O3

?

b. How many moles of Al2O3 will be produced if 25mol of Al react in a stream of oxygen gas?

c. How many moles of O2

are needed to react completely with 5 mole of Al?

d. How many moles of Al are needed to react completely with 52.00 g O2

?

e. How many grams of Al2O3

are produced if 2 moles of oxygen gas react with 3 moles of Al?

f. How many moles of O2

are needed to produce 158.00 g Al2O3

?

g. How many grams of O2

are needed to react with 10.00g Al?

Answer 1

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