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Name: ______________________________Date: _________Period: ______Mole Ratio Practice:Balance the following equations and give all possible mole ratios of each of the following reactions: 2 C2H2 + 5 O2 4 CO2 + 2 H2O2 mol C2H22 mol C2H22 mol C2H25 mol O24 mol CO22 mol H2O5 mol O25 mol O25 mol O22 mol C2H24 mol CO22 mol H2O4 mol CO24 mol CO24 mol CO22 mol C2H25 mol O22 mol H2O2 mol H2O2 mol H2O2 mol H2O2 mol C2H25 mol O24 mol CO2 4 FeS + 7 O2 2 Fe2O3 + 4 SO24 mol FeS4 mol FeS4 mol FeS7 mol O22 mol Fe2O34 mol SO27 mol O27 mol O27 mol O24 mol FeS2 mol Fe2O34 mol SO22 mol Fe2O32 mol Fe2O32 mol Fe2O34 mol FeS7 mol O24 mol SO24 mol SO24 mol SO24 mol SO24 mol FeS7 mol O22 mol Fe2O3 2 Na + 2 H2O 2 NaOH + ___ H22 mol Na2 mol Na2 mol Na2 mol H2O2 mol NaOH1 mol H22 mol H2O2 mol H2O2 mol H2O2 mol Na2 mol NaOH1 mol H22 mol NaOH2 mol NaOH2 mol NaOH2 mol Na2 mol H2O1 mol H21 mol H21 mol H21 mol H22 mol Na2 mol H2O2 mol NaOHMole to Mole Practice:Directions: Using the notes given in class, solve the following problems. Show all your work!Acetylene, also known as ethyne, is used as a fuel in welding. The following balanced equation represents the reaction that occurs when acetylene burns completely. 2 C2H2 + 5 O2 4 CO2 + 2 H2OIf 1.80 mols of acetylene, C2H2, burns how many mols of oxygen are consumed?1.80 mol C2H25 mol O2= 4.50 mol O2 2 mol C2H2When iron (III) sulfide is heated in oxygen, a reaction represented by the following equation occurs, and iron (III) oxide is produced. 4 FeS + 7 O2 2 Fe2O3 + 4 SO2288 mol FeS4 mol SO2= 288 mol SO2 4 mol FeSIf 288 mols FeS reacts, how many moles of oxygen will be used, and how many mols of SO2 will be produced?288 mol FeS7 mol O2= 504 mol O2 4 mol FeSThe following equation represents a reaction that occurs when chromium metal is placed in a solution of tin (IV) bromide. 2 Cr + 3 SnBr4 2 CrBr3 + 3 SnBr2How many moles of SnBr2 are produced from the complete reaction of 0.0825 mol of Cr?0.0825 mol Cr3 mol SnBr2= 0.12375 0.124 mol SnBr2 2 mol CrThe last step in the production of platinum metal, used in catalytic converters in an automobile’s exhaust system, is shown by the following equation. 3 (NH4)2 + 2 PtCl6 2 Pt + 4 (NH4)Cl + ___ N2 + 8 HClHow many moles of platinum metal can be produced from 15 moles of (NH4)2?15 mol (NH4)22 mol Pt= 10 mol Pt 3 mol (NH4)2 ................
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