Which tools are used to measure weather? Choose all answers that are correct. A. barometer B. rain gauge C. anemometer D. speedo
2 answers:
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Answer: The value of for chloroform is
when 0.793 moles of solute in 0.758 kg changes the boiling point by 3.80 °C.
Explanation:
Given: Moles of solute = 0.793 mol
Mass of solvent = 0.758
As molality is the number of moles of solute present in kg of solvent. Hence, molality of given solution is calculated as follows.
Now, the values of is calculated as follows.
where,
i = Van't Hoff factor = 1 (for chloroform)
m = molality
= molal boiling point elevation constant
Substitute the values into above formula as follows.
Thus, we can conclude that the value of for chloroform is
when 0.793 moles of solute in 0.758 kg changes the boiling point by 3.80 °C.