Answer:
depending on the number I think I could be wrong not 100%
The option that identifies the molar solubility of CdF₂ in pure water is;
A: The molar solubility of CdF₂ in pure water is 0.0585M, and adding NaF decreases this solubility because the equilibrium shifts to favor the precipitation of some CdF₂.
<h3>Understanding Molar Solubility</h3>
The equation of this reaction is;
CdF₂ (s) ⇄ Cd²⁺ (aq) + 2F⁻ (aq)
We are told that;
[Cd²⁺] (eq) = 0.0585m and [F⁻] eq = 0.117m.
Also, we see that 0.90m NaF is added to the saturated solution.
Now, molar solubility is defined as the number of moles of the solute that can be dissolved per liter of solution before the solution becomes saturated.
Thus, we can conclude that The molar solubility of CdF₂ in pure water is 0.0585M, and adding NaF decreases this solubility because the equilibrium shifts to favor the precipitation of some CdF₂.
Read more about Molar Solubility at; brainly.com/question/7185695
An example of signal words are addition, contrast, illustration, and cause and effect.
<h3>What are grammatical signals words?</h3>
They are known to be some kinds of words and phrases that shows the association between ideas through the use of like also, however, as a result, etc.
They are known to be signal words as they help one to be able to know or identify and know the meaning of signal words.
Conclusively, The words or phrases associated to grammatical signals is the cause and effect. while the Emphasis is known to be the word and phrases is the in grammatical signals
Learn more about grammatical signals from
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Cesare Beccaria's school, The Classical School of Criminology, <span>is against the use of torture and death penalty as forms of punishment.</span>
