The empirical formula of an organic compound carbon & hydrogen is `CH_(2)` The mass of `1"litre"` of organic gas is exactly equal to mass of 1 litre `N_(2)` therefore molecular formula of organic gas is .

Explanation

To find the molecular formula of the organic compound with the empirical formula \( CH_2 \), we will follow these steps:

### Step 1: Understand the relationship between the mass of the organic gas and nitrogen gas.
Given that the mass of 1 liter of the organic gas is equal to the mass of 1 liter of \( N_2 \), we can use this information to find the molar mass of the organic gas.

### Step 2: Determine the molar mass of nitrogen gas.
The molar mass of nitrogen gas (\( N_2 \)) is calculated as follows:
\[
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