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After diluting 30 ml of 0.100M NH4OH(Kb=1.75x10-5) to 100 ml, the solution is titrated with 0.100...

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Chemistry

After diluting 30 ml of 0.100M NH4OH(Kb=1.75x10-5) to100 ml, the solution is titrated with 0.100 M HCl. Calculate the pHvalue of the solution: a) at the start of the titration b)two-thirds of the way to the equivalence point c) at theequivalnece point d) when 40.0 ml of the HCl have been added. Makea graph of oH versus Va.

Answer & Explanation Solved by verified expert
3.7 Ratings (642 Votes)
a Molarity of NH4OH solution on dilution to 100 ml with water 30 x 01 100 003M The equilibrium reaction is NH4OH NH4 OH 003 x xx We assume that OH x when equilibrium is reached Thus we can write equilibrium expression    See Answer
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