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First, write the formula for this equation.

First, write the formula for this equation. Count the number of atoms on both sides of the equation. Al - _____ Cl - _____. 1. =. Al - _____ Cl - _____. 1. ≠. 3. 2. Count the number of atoms on both sides of the equation. 2. 3. 2. ≠. 2. Al - _____ Cl - _____. 1. =.

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First, write the formula for this equation.

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  1. First, write the formula for this equation.

  2. Count the number of atoms on both sides of the equation. Al - _____ Cl - _____ 1 = Al - _____ Cl - _____ 1 ≠ 3 2

  3. Count the number of atoms on both sides of the equation. 2 3 2 ≠ 2 Al - _____ Cl - _____ 1 = Al - _____ Cl - _____ 2 1 ≠ 6 6 3 2 =

  4. Count the number of atoms on both sides of the equation. 2 3 2 2 Al - _____ Cl - _____ 1 = Al - _____ Cl - _____ 2 1 6 6 3 2 =

  5. To find the mass of the reactants: • Find each element on the Periodic Chart • Find the Atomic Mass for each element • Add the atomic mass for each atom to get the total mass for the reactants

  6. Al (aluminum) has an atomic mass of 27.

  7. Al (aluminum) has an atomic mass of 27. There are 2 aluminum atoms. 2x27=54

  8. Cl (chloirne) has an atomic mass of 35.

  9. Cl (chlorine) has an atomic mass of 35. There are 6 chlorine atoms. 6x35=210

  10. 264 The atomic mass for aluminum is 54. The atomic mass for chlorine is 210. 54+210=264

  11. Al (aluminum) has an atomic mass of 27. There are 2 aluminum atoms. 2x27=54

  12. 2x3=6 Cl (chlorine) has an atomic mass of 35. There are 6 chlorine atoms. 6x35=210

  13. 264 The atomic mass for aluminum is 54. The atomic mass for chlorine is 210. 54+210=264

  14. 264 264 YES

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