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1.What is the pH at the equivalence point when 0.100 M weak acid HA (Ka =...

1.What is the pH at the equivalence point when 0.100 M weak acid HA (Ka = 1.48 x 10 - 4) is titrated with 0.050 M KOH?

2.Calculate the pH of a solution made by mixing 50.00 mL of 0.100 M KCN with 4.33 mL of 0.425 M strong acid HCl. HCN pKa = 9.21

3.Strong bases, NaOH and KOH can not be used as primary standards because of the presence of ______________ A.carbonate B.water C.adsorbed water

please explain each step by step, thank you

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Expert Solution

queen_honey_blossom answered 9 months ago
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