Calculate the number of molecules and number of atoms present in 11.2 litres of oxygen `(O_(2))` at N.T.P.

Explanation

To solve the problem of calculating the number of molecules and atoms present in 11.2 liters of oxygen (O₂) at Normal Temperature and Pressure (NTP), we can follow these steps:

### Step 1: Understand the Volume of 1 Mole of Gas at NTP
At NTP, 1 mole of any gas occupies 22.4 liters. Therefore, we can use this information to find out how many moles of O₂ are present in 11.2 liters.

### Step 2: Calculate the Number of Moles of O₂
To find the number of moles of O₂ in 11.2 liters, we can use the formula:
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