Question 1

How many moles of Fe$_2$O$_3$ are produced when 12 moles of Fe are used?  4Fe  +  3O$_2$ --> 2Fe$_2$O$_3$

Accepted Answer

6

Answer

3

Answer

2

Answer

9

Question 2

How many moles of Fe are needed in order to produce 8 moles of Fe$_2$O$_3$?  4Fe  +  3O$_2$ --> 2Fe$_2$O$_3$

Accepted Answer

16

Answer

12

Answer

8

Answer

4

Question 3

How many moles of Fe are needed to react with 9 moles of O$_2$?  4Fe  +  3O$_2$ --> 2Fe$_2$O$_3$

Accepted Answer

12

Answer

8

Answer

16

Answer

4

Question 4

How many moles of Fe$_2$O$_3$ will be produced if 9 moles of O$_2$ are used?  4Fe  +  3O$_2$ --> 2Fe$_2$O$_3$

Accepted Answer

6

Answer

4

Answer

2

Answer

8

Question 5

How many moles of H$_2$O will be produced if 24 moles of H$_2$ are used?  2H$_2$  +  1O$_2$  -->  2H$_2$O

Accepted Answer

24

Answer

18

Answer

12

Answer

10

Question 6

How many moles of H$_2$O will be produced if 4 moles of O$_2$ are used?  2H$_2$  +  1O$_2$  -->  2H$_2$O

Accepted Answer

8

Answer

4

Answer

6

Answer

2

Question 7

How many moles of H$_2$ will be needed if 4 moles of H$_2$O are produced?  2H$_2$  +  1O$_2$  -->  2H$_2$O

Accepted Answer

4

Answer

2

Answer

1

Answer

6

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