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Chapter WOC 9. Stoichiometry !. Mole. Mole. TO. Problems. Write the equation that describes the reaction. Balance the equation. The coefficients are mole-to-mole ratios. Determine what is given and what is needed. - PowerPoint PPT Presentation

Transcript of Chapter WOC 9

• Chapter WOC 9

• MoleTOMoleProblemsWrite the equation that describes the reaction.Balance the equation.The coefficients are mole-to-mole ratios. Determine what is given and what is needed.Put the given and needed moles in boxes and draw the mole bridge between the boxes.Mark the bridge with the coefficients.Divide then multiply to find the unknown number of moles.

• Rodents of Unusual Size

• Now that you have mastered mole to mole problems, lets try something more complicated.You can use your mole skills to solve many types of problems!Mole to Mole Mole to MassMass to MassMass to VolumeVolume to VolumeVolume to MoleBlah blah blah!

• No matter which type of problem you need to solve, the four box method will help organize information.RememberDivide to dig down to Mr. MoleGo across the mole bridgeClimb back up by multiplying

• What mass of carbon dioxide is produced when 50.0 grams of butane (C4H10) is burned in excess oxygen gas?2 C4H10 + 13 O2 8 CO2 + 10 H2 O Step 1 Write balanced equation.

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