MISSED THIS? Read Section 6.6 (Rages 228 - 235) ; Watch KCV 6.6. IWE 6 to. Correct Accord volume percent of oxygen in air is 21% (see the table below); therefore, the m Part B What volume of air contains 12.4g of oxygen gas at 273K and 1.00atm ? Express your answer using two significant figures. x Incorrect; Try Again; 4 attempts remaining MisSED THis? Head Section 6.7 (Eages 235 -238) ; Watch Whe \&i. 12 What volume of O2 gas, measured at 779mmHm and 22C, is required to completely react with 52.2g of AI ? Orypen gas reacts with powdered aluminum according to the following reaction: Express the volume in liters to three signilicant figures. 4Al(s)+3O2(g)+2Ah2O4(s) X Incorrect: Try Again; 4 attempts remaining