Question

Question 12 7 pts What is the final concentration of a solution prepared by taking 30.0 mL of 3.0 M potassium sulfite, K2SO3, and diluting it by adding 84.3 mL of water? HINT: What is the final volume of solution? Question 13 7 pts What is the pH of a 0.71 M HCl solution? Hint: Remember, for a strong acid, the acid concentration is the H+ concentration Question 14 7 pts

Answer 1

Date: Page No.: 37 Formula Used? TpH = -log (H+) (Mt) = Concentration of it in acid (H+) = 0.71M (Given) pH = -log (0.71) pH = 0.148 M
This is answer to Que 13This is answer to Question 12

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