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On adding 1g arsenic to 80 g benzene, th...

On adding 1g arsenic to 80 g benzene, the freezing point of benzene is lowered by `0.213^(@)C`. The formula of arsenic molecule is : (Atomic mass of arsenic = 75) (`K_(f) = 5.12` K kg/mol)

A

As

B

`AS_(2)`

C

`AS_(3)`

D

`AS_(4)`

Text Solution

AI Generated Solution

To solve the problem, we need to determine the molecular formula of arsenic based on the given data about the freezing point depression of benzene when 1 g of arsenic is added. ### Step-by-Step Solution: 1. **Identify the Given Data:** - Mass of arsenic (solute) = 1 g - Mass of benzene (solvent) = 80 g - Depression in freezing point (ΔTf) = 0.213 °C ...
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