Mass of `CO_(2)` (in gram) which have 2.55 L volume at S.T.P. is

Explanation

To find the mass of \( CO_2 \) (carbon dioxide) that occupies a volume of 2.55 L at Standard Temperature and Pressure (STP), we can follow these steps:

### Step 1: Understand the relationship between moles, mass, and volume at STP
At STP, 1 mole of any gas occupies a volume of 22.4 liters. This means that if we know the volume of the gas, we can find out how many moles of the gas we have.

### Step 2: Calculate the number of moles of \( CO_2 \)
Using the volume given (2.55 L), we can find the number of moles of \( CO_2 \) using the formula:
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