what is the ph solution obtained by mixing 25.00 ml of 0.250 ml HCl and 25.00ml of 0.125M NaOH

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  1. 0.025L x 0.25 mol HCl/1L = mol HCl
    0.025L x 0.125 mol NaOH/1L = mol NaOH

    HCl + NaOH --> H2O + NaCl

    You have twice as many moles of HCl as NaOH, so there will be left over HCl.
    Find the moles of HCl left over and divide by the combined volumes to get its molarity. That will be the molarity of H+. Take the negative log.

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  2. Thank you very much! This was very helpful:)

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  3. so whats the answer,

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  4. 1.2

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