# Can you please provide detailed answers to the below question Question B2: (a) 100 mL of...

###### Question:

Question B2: (a) 100 mL of a 0.5 M solution of potassium nitrate is mixed with 100 mL of a 0.5 M solution of potassium chloride. What is the final concentration of hydrated potassium ions in this solution? (1 out of 5 marks) (b) How many moles of silver nitrate can be added to 100 mL of a 0.1 M aqueous sodium chloride solution before precipitation of solid silver chloride occurs? (AgCI Kp 1.8 x 1010 at 25 °C)? (2 out of 5 marks) (c) When copper metal is placed in an aqueous solution of silver nitrate, describe what will be observed experimentally? Explain your answer in terms of the processes of reduction and oxidation. The standard reduction potentials are provided (assume that the temperature is 25 °C). Ag (aq)Ag(s) E+0.80V Cu"(aq) + 2e-? Cu(s) Ee= +0.34 V (2 out of 5 marks)

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