If you are looking to make an explosion, just drop some elemental cesium into water: Cs + 2H2O → Cs(OH)2 + H2. If you are looking to make a big boom and want to produce 200.0 mol of hydrogen gas, how many moles of Cs would you need? NOTE: All numbers located immediately after elemental symbols should be considered subscripts.
A. 200 mol
B. 400 mol
C. 100 mol
D. 50 mol