# Mole to Mole Stoichiometry

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## Presentation Transcript

### Slide 1:

Stoichiometry The study of amounts in a chemical reaction Root words: Stoicheion – element Metron - measure

### Slide 2:

Stoichiometry Steps Balance Chemical Equation Determine mole ratios Pick the correct mole ratio and multiply it by the moles of substance given.

### Mole Ratio :

Mole Ratio A mole ratio is basically a fraction of the moles of one substance in a chemical reaction over the moles of another substance in the equation.

### Mole Ratios :

Mole Ratios 2 H2(g) + O2(g)  2 H2O(l)

### Slide 5:

Mole-mole calculations N2 + 3 H2  2 NH3 If we have 2.00 mol of N2 reacting with sufficient H2, how many moles of NH3 will be produced?

### Slide 6:

Mole-mole calculations N2 + 3 H2  2 NH3 If we have 2.00 mol of N2 reacting with sufficient H2, how many moles of NH3 will be produced? Step 1: Write the number and unit given.

### Slide 7:

Mole-mole calculations N2 + 3 H2  2 NH3 If we have 2.00 mol of N2 reacting with sufficient H2, how many moles of NH3 will be produced? Step 2: Multiply by correct mole ratio to cancel out mole N2 and to get mole NH3 on top. x =

### Slide 8:

Mole-mole calculations N2 + 3 H2  2 NH3 If we have 2.00 mol of N2 reacting with sufficient H2, how many moles of NH3 will be produced? Step 3: Cancel out the units that appear at the top and the bottom of the fraction. x

### Slide 9:

Mole-mole calculations N2 + 3 H2  2 NH3 If we have 2.00 mol of N2 reacting with sufficient H2, how many moles of NH3 will be produced? Step 4: Multiply the numbers on the top and divide by what is on the bottom. x =

### Slide 10:

Mole-mole calculations N2 + 3 H2  2 NH3 Suppose 6.00 mol of H2 reacted with sufficient nitrogen. How many moles of ammonia would be produced?

### Slide 11:

Mole-mole calculations N2 + 3 H2  2 NH3 Suppose 6.00 mol of H2 reacted with sufficient nitrogen. How many moles of ammonia would be produced? x =

### Slide 12:

Mole-mole calculations N2 + 3 H2  2 NH3 We want to produce 2.75 mol of NH3. How many moles of nitrogen would be required?

### Slide 13:

Mole-mole calculations N2 + 3 H2  2 NH3 We want to produce 2.75 mol of NH3. How many moles of nitrogen would be required? x =