we want to find out how many grams of oxygen gas (o2) are needed to completely react with 9.30 moles of…

we want to find out how many grams of oxygen gas (o2) are needed to completely react with 9.30 moles of aluminum. 4al + 3o2 → 2al2o3 what is the unknown in the problem? grams o2 4 mol al 9.30 mol al
Answer
Answer:
grams O₂
Explanation:
Step1: Identify the problem - statement
We are asked to find the unknown.
Step2: Analyze given information
Given moles of Al and a chemical reaction.
Step3: Determine the unknown
The goal is to find grams of O₂, so it is the unknown.