Q.

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

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answer is 2.

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Detailed Solution

N1=N1V1+N2V2 Total volume =1×200+6×3001000=2 since M=N for HCl because its valency =1

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