Which product is used on the natural nail prior to product application to assist in adhesion and serves to chemically bond the e
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Depression in freezing point (Δ
) = 
×m×i,
where, = cryoscopic constant = 
,
m= molality of solution = 0.0085 m
i = van't Hoff factor = 2 (For
)
Thus, (Δ) = 1.86 X 0.0085 X 2 = 
Now, (Δ) = 
- T
Here, T = freezing point of solution
= freezing point of solvent = 
Thus, T = - (Δ) = -
where,
m= molality of solution = 0.0085 m
i = van't Hoff factor = 2 (For
Thus, (Δ
Now, (Δ
Here, T = freezing point of solution
Thus, T =
I looked on a solubility chart to answer this question, and hydroxides are generally insoluble (with some exceptions of course). However, it says to consider as an insoluble substance, though it may be moderately soluble.
The answer that you are most likely looking for is: Yes, a precipitate does form - this is due to the double placement reaction:
+
→
+