The reaction Cl 2 (g) + 
⎯→ 
+ Cl – is to be carried out in basic medium. Starting with 0.15 mole of Cl 2 , 0.010 moles of 
and 0.30 moles of OH – , how many milli moles of OH – will be left in solution after the reaction is complete ? Assume no other reaction occurs.
Text Solution
Verified by Experts1
(1) Given Data:
Moles of 
moles
Moles of another reactant (assume 
or similar oxidizing agent, denoted as 
) 
moles
Moles of 
moles
(2) Balanced Reaction (Assuming the reaction with 
):
In a basic medium, the reaction can be written as:
For every 1 mole of 
moles of 
-are required.
(3) Determine the Limiting Reactant:
From the balanced equation, 0.15 moles of 
would require:
0.15 moles 
moles 
(4) Moles of 
-consumed:
The reaction consumes 0.30 moles of 
(5) Calculate Remaining 
Initially, there are 0.30 moles of 
After the reaction, the remaining moles of 
-
0.30 moles -0.30 moles -0 moles
(6) Convert to Millimoles:
Since 1 mole 
milimoles:
0 moles 
millimoles
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