How to figure out Stoichiometric calculations using the balancing equation NaCl+2HCl=> NaCl+ Cl2+H2O with starting of 100g of at least 2 different reactancts

If 34.2 grams of lithium react with excess water, how many liters of hydrogen gas can be produced at 299 kelvin and 1.21 atmospheres? 2 li (s) + 2 h2o (l) yields 2 lioh (aq) + h2 (g)

Consider the nuclear equation below. 239/94 pu—-> x+ 4/2 he. what is x?

Given sno2 + 2h2 - sn + 2h20 tin oxide reacts with hydrogen to produce tin and water. how many moles of sno2 are needed to produce 500.0 grams of sn?