Through the vibration of particles in a medium.
Answer: 266.055 g
Explanation:
We have the following data related to this unknown substance:
are the grams of substance
is the molarity of the substance, given by the following formula:
(1)
In this case the volume of solution is
Finding the moles of solute:
(2)
(3)
Now we have to convert this to grams by the following relation:
(4)
Finding :
(5)
(6)
Answer:
The empirical formula is .
Explanation:
Given that, the combustion of 29.5 mg produced 80.2 mg CO₂ and 16.4 mg of H₂O.
Mass of C
g
Mass of H
g
Mass of O =
g
Number of mole of C
mol
Number of mole of H
mol
Number of mole O
mol
Dividing by lowest integer
The empirical formula is .
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