You have a saturated aqueous solution of magnesium fluoride. The Kp of magnesium fluoride is 7.4 x 10°. In this solution, the only subsequent reaction of Mg2* you need to consider is between magnesium and hydroxide: OH ua) +MBOH" e) +. K- 398 A valid mass balance expression for this solution is: O 398 - [MBOH"1/ (IMg"l'IOH) O None of These O 2'IMg+ 2'IMOH")-(HF)+ (F1 O 2'IMg"1 - IF] O 2'IMg") + (H'I + IMgOH" - (OH] + (F]

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You have a saturated aqueous solution of magnesium fluoride. The Kp of magnesium fluoride is 7.4
x 10°. In this solution, the only subsequent reaction of Mg?* you need to consider is between
magnesium and hydroxide:
OH aa)
'e MBOH') K= 398
+.
A valid mass balance expression for this solution is:
O 398 - [MGOH"1/ (IMg"l'IOH)
O None of These
O 2'IMg")+ 2'(MgOH')- [HF] + (F)
O 2'IMg"1 - (F)
O 2'IMg") + (H'I+ [MBOH"| - (OH]+ (F]
A single molecule of Mg²* is deposited into a beaker of 0.005 M NaCl. The activity coefficient for the
Mg2 ion in this beaker is:
800 pm
O 0.755 M
O None of These
O 0.520 M
O 0.690 M
Transcribed Image Text:You have a saturated aqueous solution of magnesium fluoride. The Kp of magnesium fluoride is 7.4 x 10°. In this solution, the only subsequent reaction of Mg?* you need to consider is between magnesium and hydroxide: OH aa) 'e MBOH') K= 398 +. A valid mass balance expression for this solution is: O 398 - [MGOH"1/ (IMg"l'IOH) O None of These O 2'IMg")+ 2'(MgOH')- [HF] + (F) O 2'IMg"1 - (F) O 2'IMg") + (H'I+ [MBOH"| - (OH]+ (F] A single molecule of Mg²* is deposited into a beaker of 0.005 M NaCl. The activity coefficient for the Mg2 ion in this beaker is: 800 pm O 0.755 M O None of These O 0.520 M O 0.690 M
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