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QUESTION 1 How many moles of carbon will react with 15.8mol of iron(III) oxide according to...

QUESTION 1

  1. How many moles of carbon will react with 15.8mol of iron(III) oxide according to the following reaction?

    2Fe2O3 + 3C → 4Fe + 3CO2

1 points   

QUESTION 2

  1. What mass of sodium nitride is required to produce 12.8g of nitrogen?

    2Na3N → N2 + 6Na

1 points   

QUESTION 3

  1. If 21.5g of nitrogen is produced in the following reaction, what mass of sodium is also produced?

    2Na3N → N2 + 6Na

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Homework Answers

Answer #1

2Fe2O3 + 3C ----------> 4Fe + 3Co2

2 moles of Fe2O3 react with 3 moles of C

15.8 moles of Fe2O3 react with = 3*15.8/2   = 23.7 moles of C

Q2

2Na3N -----------> N2 + 6Na

1 moles of N2 produced from 2 moles of Na3N

28g of N2 produced from 2*83g of Na3N

12.8g of N2 produced from = 2*83*12/28   = 71.14g of Na3N

Q3

2Na3N -----------> N2 + 6Na

1 moles of N2 produced from 2 moles of Na3N

28g of N2 produced from 2*83g of Na3N

21.5g of N2 produced from = 2*83*21.5/28   = 127.46g of Na3N

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