Consider this picture depicting the hydration of an atom or ion by water molecules.  Of the choices below, what is the only atom or ion that the yellow particle in the center can be?   Group of answer choices A:K+ ion B:oxygen atom in ethanol (CH3CH2OH) C:Cl- ion D:nitrogen atom in ammonia (NH3)   The solubility of sulfur hexafluoride (SF6) gas in water is 2.1 x 10-4 M at 20 oC.  Based on the choices below and without doing any calculations, what is the most likely solubility of SF6 if the solution temperature is lowered to 5 oC? Group of answer choices A:2.1 x 10-4 M B:5.6 x 10-4 M C:2.1 x 10-6 M D:1.0 x 10-4 M

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Consider this picture depicting the hydration of an atom or ion by water molecules.  Of the choices below, what is the only atom or ion that the yellow particle in the center can be?

 

Group of answer choices

A:K+ ion

B:oxygen atom in ethanol (CH3CH2OH)

C:Cl- ion

D:nitrogen atom in ammonia (NH3)

 

The solubility of sulfur hexafluoride (SF6) gas in water is 2.1 x 10-4 M at 20 oC.  Based on the choices below and without doing any calculations, what is the most likely solubility of SF6 if the solution temperature is lowered to 5 oC?

Group of answer choices

A:2.1 x 10-4 M

B:5.6 x 10-4 M

C:2.1 x 10-6 M

D:1.0 x 10-4 M

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