what is the molar concentration of HCl will its aqueous solution have [H+] to which equal contributions come from HCl and H2O?
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As the data is given. Let the molar concentration of HCl is x (M). We study hydronium ion for the case of proton. As dissociation of water produces hydrogen and hydroxyl ions and these must be equal when auto dissociates. We put the given values and can calculate the molar concentration of hydrochloric acid easily. The answer will be 7.07x10 raise to power -8 (M). The solution is given below:
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