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Chem Catalyst:

Chem Catalyst:. Fe + Cl 2 --> FeCl 3 How many moles of chlorine gas are required to produce 14 mol of iron (III) chloride? (Remember to BALANCE first!). Agenda:. Do Now- Mole ratios Notes & Examples - adding grams to stoichiometry HW: p. 361 #13, 14. Mole Ratios: Using grams.

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Chem Catalyst:

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  1. Chem Catalyst: Fe + Cl2 --> FeCl3 How many moles of chlorine gas are required to produce 14 mol of iron (III) chloride? (Remember to BALANCE first!)

  2. Agenda: • Do Now- Mole ratios • Notes & Examples - adding grams to stoichiometry • HW: p. 361 #13, 14

  3. Mole Ratios: Using grams *1. Convert value given in grams to moles 2. Mole ratio conversion *3. Convert answer in moles to grams Step 1: Only when the original measurement is in grams Step 3: Only when the goal of the problem is in grams

  4. Example 1: N2 + 3H2 --> 2NH3 Calculate the number of grams of ammonia produced by the reaction of 5.40g of hydrogen with an excess of nitrogen.

  5. Example 2: 2Cu+ O2 --> 2CuO Calculate how many grams of copper are needed to react completely with 12.5 mol of oxygen gas.

  6. Example 3: 2Cu+ O2 --> 2CuO Calculate how many grams of copper are needed to produce exactly 20g of CuO.

  7. Your turn: 2SO2 + O2 --> 2SO3 • How many grams of sulfur trioxide would be produced from the complete reactions of 8.0 mol of oxygen gas? • How many grams of sulfur dioxide are required to produce 10.0g of sulfur trioxide?

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