Question

2NaCl+2H2O >>2NaOH+H2+Cl2 if 1.9×10^6 (1900 metric tons) of Cl2 produced daily, estimate the quantities of H2 produced.

Answer 1

Here is a worked example of a stoichiometry problem. Just follow the steps. http://www.jiskha.com/science/chemistry/stoichiometry.html