How many litres of 15 m naoh will be needed in the


1. Calculate the [H+] in a solution that is 0.1 M in NaF and 0.210 M in HF. (Ka= 7.2e-4)

2. How many litres of 1.5 M NaOH will be needed in the titration of 0.420 L of 4.66 M of phosphoric acid to achieve physiological pH of 7.40?

3. A solution of HCl with unknown concentration  was titrated with 0.230 M NaOH. If a 105.0 ml sample of HCl requires exactly 8.00 mL of NaOH to reach equivalence point, what is the pH of HCl?

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Chemistry: How many litres of 15 m naoh will be needed in the
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