Answer:
C₄F₈
Explanation:
To find the mass, we will use the mole ratio.
The molar mass of carbon is 12.0107 g/mol.
For fluorine gas, the molar mass is 37.99681 g/mol.
Let x represent the mass of carbon.
The provided mass of fluorine is 1.70 g.
Setting up the proportion: x / 12.01067 = 1.70 / 37.99687.
Now, we will cross-multiply.
This results in: x = (1.70 × 12) / 37.99687 = 20.4 / 37.99687 = 0.53688 g.
To find the mass of one mole of CF₂, we add: 0.53688 + 1.70 = 2.23688 g.
The moles of CF₂ are calculated as: 8.93 g / 2.23688 = 3.992, which rounds to approximately 4.
The molecular formula for CF₂ is then 4(CF₂) = C₄F₈
