Stoichiometry Practice Problems Questions And Answers With Verified Solutions

2H2 + O2 --> 2H2O How many moles of H2 would be required to produce 5.0 moles of water? - Answer-5.0 moles 2H2 + O2 --> 2H2O What mass of H20 is formed when excess H2 reacts with 384 g of O2 - Answer-432 grams H2SO4 + 2NaOH --> Na2SO4 + 2H2O What mass of H2SO4 would be required to react with 0.75 mol of NaOH? - Answer-36.8 grams H2SO4 + 2NaOH --> Na2SO4 + 2H2O If 30.0 g of H2SO4 reacts with sodium hydroxide, what mass of water is produced? - Answer-11.0 grams Sn + 2HF --> SnF2 + H2 How many grams of SnF2 are produced from the reaction of 30.0 g of HF? - Answer-117 grams Sn + 2HF --> SnF2 + H2 How many moles of HF will be needed to react with 48 grams of Tin, Sn? - Answer-0.81 moles In a spacecraft, the carbon dioxide exhaled by astronauts can be removed by its reaction with lithium hydroxide, LiOH, according to the following chemical equation.CO2(g) + 2LiOH(s) --> Li2CO3(s) + H2O(l) If 20.0 moles of CO2 is exhaled, the average amount exhaled by a person each day, how much (in grams) Li2CO3(s) is produced? - Answer-148 grams 2Na + 2H2O --> 2NaOH + H2 How many moles of H2 are produced in the reaction with 5.0 grams of water? - Answer-0.14 moles 2KClO3 --> 2KCl + 3O2 How many moles of O2 are produced from 10 moles of KClO3 - Answer-15 moles LiOH + HBr --> LiBr + H2O If you start with 10 grams of lithium hydroxide, how many grams of lithium bromide will be produced? - Answer-36.3 grams C2H4 + 3 O2 --> 2 CO2 + 2 H2O If you start with 45 grams of ethylene (C2H4), how many grams of carbon dioxide will be produced? - Answer-141.4 grams 2 HCl + Na2SO4 --> 2 NaCl + H2SO4 If you start with 20 grams of hydrochloric acid (HCl), how many grams of sulfuric acid (H2SO4) will be produced? - Answer-26.9 grams LiOH + KCl --> LiCl + KOHIf 20 grams of LiOH react, how many grams of LiCl will be produced? - Answer-35.5 grams C3H8 + 5 O2 à 3 CO2 + 4 H2O If I start with 5 grams of C3H8, how many grams of water will be produced? - Answer-8.2 grams B2H6 + O2 --> HBO2 + H2O What mass of O2 will be needed to burn 36.1 g of B2H6? - Answer-125 grams B2H6 + O2 --> HBO2 + H2O