Stoichiometry ProblemStoichiometry ProblemGet Ready!!!Get Ready!!!

What mass of CsWhat mass of Cs22O is produced when O is produced when

46.1 g of Cs and 13.4 g of O46.1 g of Cs and 13.4 g of O2 2 react?react?

Cs + OCs + O2 2 CsCs22OO

What do we do next?What do we do next?

3mol O21mol Cs

1 mole 32g O2

Balance the Equation

What mass of CsWhat mass of Cs22O is produced when O is produced when

46.1 g of Cs and 13.4 g of O46.1 g of Cs and 13.4 g of O2 2 react?react?4Cs + O4Cs + O2 2 2Cs2Cs22OO

What’s the first conversion factor?What’s the first conversion factor?

4 mol Cs1 mol O2

46.1gCs

1

1 mol O2

28g O2

What mass of CsWhat mass of Cs22O is produced when O is produced when

46.1 g of Cs and 13.4 g of O46.1 g of Cs and 13.4 g of O2 2 react?react?

What comes next?What comes next?

46.146.1..

11

14.143 O2

1

3g Cs1 mole

1 mole O2

132.91g Cs

4Cs + O2 2Cs2O4Cs + O2 2Cs2O

What mass of CsWhat mass of Cs22O is produced when O is produced when

46.1 g of Cs and 13.4 g of O46.1 g of Cs and 13.4 g of O2 2 react?react?

46.146.1. . 1 mole O2 132.91g Cs

2 mole O2

2 mole O2

2 mole Cs2O4 mole O2

4Cs + O2 2Cs2O4Cs + O2 2Cs2O

2 mole O2

3 mole Cs

2 mole Cs2O4 mole O2

What mass of CsWhat mass of Cs22O is produced when O is produced when

46.1 g of Cs and 13.4 g of O46.1 g of Cs and 13.4 g of O2 2 react?react?

What goes on the top next?What goes on the top next?46.146.1. . 1 mole O2 . 2 mole Cs2O 132.91g Cs 4 mole O2

28.82g Cs2O 24.93g Cs2O27.98g Cs2O

4Cs + O2 2Cs2O4Cs + O2 2Cs2O

What mass of CsWhat mass of Cs22O is produced when O is produced when

46.1 g of Cs and 13.4 g of O46.1 g of Cs and 13.4 g of O2 2 react?react?

What goes on the bottom?What goes on the bottom?

3 mole Cs 1 mole Cs2O

10 mole Cs2O

4Cs + O2 2Cs2O4Cs + O2 2Cs2O

What mass of CsWhat mass of Cs22O is produced when O is produced when

46.1 g of Cs and 13.4 g of O46.1 g of Cs and 13.4 g of O2 2 react?react?

What is the Answer?What is the Answer?

37.92g Cs2O

48.87g Cs2O

51.68g Cs2O

4Cs + O2 2Cs2O4Cs + O2 2Cs2O

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