asked 134k views
1 vote
4Al(s) +3O2(g) -> 2Al2O3(s)

It takes 1.70 L of pure oxygen gas at STP to react completely with a certain sample of aluminum. What is the mass of alumni reacted in grams

1 Answer

4 votes

Answer: 2.732 g Al

Step-by-step explanation:

Use stoichiometry

1.70 L O2 X ( 1mole O2/22.4 L o2) X (4 mole Al / 3 mole O2) X (27 g Al/ 1mole Al) = 2.732 g Al.

answered
User Prince Achim
by
8.0k points
Welcome to Qamnty — a place to ask, share, and grow together. Join our community and get real answers from real people.