con 3 For each part of the below questions, choose one correct answer from the drop-down multiple choice menu box. nplet
Posted: Wed May 18, 2022 12:04 pm
con 3 For each part of the below questions, choose one correct answer from the drop-down multiple choice menu box. nplete er ked out of 0.1 L of 0.4 M Mg(NO3)2 is mixed with 0.3 L of 0.09 M NaF. The possible precipitate is magnesium fluoride: Ksp (MgF2) = 7.4 x 10-9 lag stion a) [4 points) Calculate [Mg2+) after mixing: [Mg2+] = 0.1 M b) [4 points) Calculate (F") after mixing: [F] = 0.0675 M c) Calculate Osp [4 points] Qsp expression is: [Mg2+] [F-1-2 [4 points) Value = d) (4 points) Will a precipitate form? Yes 1 Please answer all parts of the question
tion 5 vet wered (12 points) Complete the following two balanced nuclear equations. Hint: You need to check the periodic table. ked out of 0 ja + + Flag estion II _98 + Mercury-201 Calcium-44 Francium-223 Radium-225 Protactinium-230 Scandium-44 Actinium-227 Sulfur-43
stion 7 A student is asked to prepare a buffer solution of 11.589 pH units. The student decided to prepare the buffer using a weak acid of K, value 1 * 10-12 t yet swered arked out of .00 Find the following Flag a) (3 points) pK, - uestion b) (3 points) The Henderson-Hasselbalch equation is: > c) (4 points) The buffer component concentration ratio = (Choose the nearest value to your answer from the drop list)
tion 5 vet wered (12 points) Complete the following two balanced nuclear equations. Hint: You need to check the periodic table. ked out of 0 ja + + Flag estion II _98 + Mercury-201 Calcium-44 Francium-223 Radium-225 Protactinium-230 Scandium-44 Actinium-227 Sulfur-43
stion 7 A student is asked to prepare a buffer solution of 11.589 pH units. The student decided to prepare the buffer using a weak acid of K, value 1 * 10-12 t yet swered arked out of .00 Find the following Flag a) (3 points) pK, - uestion b) (3 points) The Henderson-Hasselbalch equation is: > c) (4 points) The buffer component concentration ratio = (Choose the nearest value to your answer from the drop list)