Stoichiometry Worksheet
Transcription
Stoichiometry Worksheet
Name Period Date Stoich2 – Unit 6 SHOW YOUR WORK 1. How many liters of acetylene gas (C2H2) react at STP to form 15.0 grams of carbon dioxide? ____ C2H2 + ____ O2 ____ CO2 + ____ H2O 2. Calculate the number of grams of hydrazine (N2H4) gas required to make 12.5 L of ammonia (NH3) at STP. ____ N2H4 + ____ H2 ____ NH3 3. How many grams of manganese (IV) oxide are formed from 120. g of manganese metal? ____ Mn + ____ O2 ____ MnO2 4. What volume of 1.50M calcium perchlorate is required to react with 75.0 mL of 2.5M sulfuric acid? ____ Ca(ClO4)2 + ____ H2SO4 ____ CaSO4 + ____ HClO4 5. How many molecules (particles) of copper (II) hydroxide are required to react with 45 mL of 0.500M carbonic acid? ____ Cu(OH)2 + ____ H2CO3 ____ CuCO3 + ____ H2O 6. How many grams of water will be produced by 1.5 x 1024 molecules of carbonic acid in the reaction from #5? Stoichiometry – Unit 6 LPChem1415:Wz 7. How many grams of water vapor are produced when 1.00 kg of acetylene (C2H2) is burned? ____ C2H2 + ____ O2 ____ CO2 + ____ H2O 8. Calculate the number of grams of chromium (III) iodide that are produced when 210. grams of sodium iodide reacts. ____ Cr2(CO3)3 + ____ NaI ____ CrI3 + _____ Na2CO3 9. How many liters of nitrogen gas at STP are needed to react with 150.0 g of titanium? ____ Ti + ____ N2 ____ Ti3N 10. What volume of 0.55M strontium dichromate is required to react with 2.5 x 1025 units (particles) of cesium thiosulfate? ____ SrCr2O7 + ____ Cs2S2O3 ____ Cs2Cr2O7 + ____ SrS2O3 11. How many atoms of cobalt are required to react with 275 mL of 1.50M permanganic acid? ____ Co + ____ HMnO4 ____ Co(MnO4)4 + ____ H2 12. How many liters of hydrogen gas (at STP) will be produced by 15.5 g of cobalt in the reaction from #11? Stoichiometry – Unit 6 LPChem1415:Wz