Kf = 1.86
Number of moles :
Molar mass <span> ethylene glycol = 62.0 g/mol
40.0 / 62.0 => 0.645 moles
Molality :
mass of solvent = 60.0 / 1000 => 0.06 kg
m = moles / kg solvent
m = </span><span>0.645 / 0.06
= 10.75 m
</span>Δt = Kf x molality
Δt = (- 1.86) x 10.75 => - 20.1ºC
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Answer A
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Answer: The precipitate formed is 
Explanation:
A double displacement reaction is one in which exchange of ions take place. The salts which are soluble in water are designated by symbol (aq) and those which are insoluble in water and remain in solid or precipitated form are represented by (s) after their chemical formulas.
A double displacement reaction in which one of the product is formed as a solid is called as precipitation reaction.
The balanced chemical equation is:
"X" in the reaction above is acetic acid with a chemical formula CH3COOH. The chemical reaction would be NaOH + CH3COOH = NaCH3COO + H2O. This is a neutralization reaction in which it produces a salt and water. The salt produced is called sodium acetate.
Answer:
See answer below
Explanation:
a.) Lithium Chloride, LiCl is soluble in water.
b.) Silver Chloride, AgCl is insoluble in water.
c.) Barium Carbonate, BaCO3 is insoluble in water.
d.)Potassium, K2 is soluble in water.
e.) Iron (III) Nitrate Fe(NO3)3 is soluble in water.
- All nitrates (NO3) are soluble in water.
- Alkali metals are soluble in water.
- Chlorides are soluble in water with the exception of AgCl and a few others.
- Carbonates are generally insoluble in water.
