Use the factor-label method to solve the following stoichiom…

Use the factor-label method to solve the following stoichiometry problem.   Given the following equation: 1 C3H8  +  5 O2    3 CO2  +  4 H2O How many molecules of oxygen are required to react with 25.4 grams of C3H8? To receive full credit:  You must use the factor unit method and the math equation editor in the tool bar to insert the stoichiometric calculation.  Be sure to include proper units and the final answer.  Or, show your work on a separate sheet of paper and submit in the Unit 2 Exam pictures dropbox after completing the Exam.