Why is the molar solubility of silver chloride lower in an aqueous solution of s

Question

Why is the molar solubility of silver chloride lower in an aqueous solution of sodium chloride than in pure water? because silver ions and sodium ions form a completely insoluble precipitate and fall out of the solution because sodium chloride takes up all the water, and doesn't leave any interactions for the silver chloride, causing reduced solubility because the presence of extra chloride shifts the equilibrium of the Agcl dissolution reaction toward the undissociated (solid) silver chloride what is the pH of a buffer that is o o58 M HNO_2 and oo32 M NaNO_2? The K_a for HNO_2 is 4.0 times 10^-4.

Explanation / Answer

Q14

Agcl lowers when NaCl is added

since

Ag+ + Cl- <--> Ag+ + Cl-

NaCl --> NA+ +Cl-

there is common ion effect, Cl- is present

from the list

choose C, the presence of extra Cl- ions will shift equilibrium

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