Stoichiometry

more exercises
Mole <--> Ratio <--> Mole

* HINT Ratio = Finish / Start

Calculate the amount in mole of the substance directly above the question mark(?)
1.
+
6
6
+
6
  
5 moles

?
 
2.
+
5
3
+
4
  
 
?
4 moles
  
3.
+
 
 
3 moles
?
 
4.
+
3
3
+
4
 
8 moles
?
 
5.
+
3
6
+
6
  
 
2 moles
?
 
6.
2
+
+
 
 
10 moles
?
 

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