Chemistry Calculations: Q1. What is the volume of H2O produced from a reaction of 5.98g of O2? (Answer = 8.372 L of H2O) 2H2 + O2 2H2O John Smith 5 years ago Q1. What is the volume of H2O produced from a reaction of 5.98g of O2? (Answer = 8.372 L of H2O) 2H2 + O2 2H2O Q2. How many moles of NaCl are produced from 12.45L of Cl2? (Answer = 1.11 moles of Cl2) 2Na + Cl2 2NaCl