Q.

200ml of 1M HCl is mixed with 300ml of 6M HCl and the final solution is diluted to 1000ml. The molar concentration of  [H+]   ion is ____________

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answer is 2.

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Detailed Solution

Molarity of mixture [H+]=V1M1+V2M2V(Total) 
    =  (200×1)+(300×6)1000
    = 200+18001000  =20001000      =2
     
 

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