If you have 3.0 liters of an unknown gas, at standard temperature and pressure conditions, then you can calculate what about tha
2 answers:
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<u><em>Answer: second option b density.</em></u>
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Explanation:
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Density is the amount of mass in a given volume. Density is the ratio of mass to volume. It's a derived unit of measure. It's equal to mass divided by the volume. It's measured in units such as grams per cubic centimeter and grams per milliliter.
Density formula:
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The actual number of atoms of each element present in the molecule of the compound is represented by the formula known as molecular formula.
Molar mass of the unknown compound = 223.94 g/mol (given)
Mass of each element present in the unknown compound is determined as:
- Mass of carbon,
:
- Mass of hydrogen,
:
- Mass of chlorine,
:
Now, the number of each element in the unknown compound is determined by the formula:
- Number of moles of
- Number of moles of
- Number of moles of
Dividing each mole with the smallest number of mole, to determine the empirical formula:
Multiplying with 2 to convert the numbers in formula into a whole number:
So, the empirical formula is .
Empirical mass =
In order to determine the molecular formula:
n =
n =
So, the molecular formula is: