Question: please fasttt Question 10 6 Points A) Explain the following: (3 pts) 1. Zn has sharper equivalence point than Mg? in EDTA titrations 2. Thermally

please fasttt

Question 10 6 Points A) Explain the following: (3 pts) 1. Zn has sharper equivalence point than Mg?" in EDTA titrations 2. Thermally unstable substances cannot be analyzed by GLC 3. When CH,COOH titrated with NaOH, the pH of the solution at the equivalence point more than 7. B) solve the following problems (3 pts) 1. What is the component concentration ratio (HNO,VINO -1 of an acidic buffer solution made from HNO, and NaNO, that has a pH =pka +12 2. What is the most effective pH buffering range for a nitrous acid, HNO/NO? buffer. [Nitrous acid, Ka = 4.6 x 10]

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