Answer: The freezing point of a 0.765 m solution of nitrobenzene in naphthalene is 
Explanation:
Depression in freezing point is given by:
= Depression in freezing point
i= vant hoff factor = 1 (for non electrolyte such as nitrobenzene)
= freezing point constant = 
m= molality = 0.765
Thus the freezing point of a 0.765 m solution of nitrobenzene in naphthalene is
CH₃ - C≡C - CH₃
2-butyne or but-2-yne
:)
pH = 9.5
Explanation:
We know that the hydronium ion concentration is [H₃O⁺] = 3.16 × 10⁻⁹ M.
The formula for pH is:
pH = -lg[H₃O⁺]
We input the known values to find the pH:
pH = -lg[3.16 × 10⁻⁹]
pH = 9.5
Learn more about:
pH
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Answer:
hydrogen peroxide in my place and don't have time And the Base and don't think I will have a clue
Answer:
37.8 Degrees Celcius is your answer.
