What is its pH at 25.0 °C?
Given the following:
0.20 M NaOH(aq), 0.20 M HCl(aq).
A mixture is made using 50.0 mL of the HCl and 50.0 mL of the NaOH. What is its pH at 25.0 °C?
9.46
4.57
7.00
6.30
3.62
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You are mixing exact equal volumes ans concentration of a strong base and a strong acid. The final solution will have pH at the equivalence point of the reaction: That is at pH = 7.00
third choice is correct.