Fill in the blanks from the choices given in brackets:
The number of moles in 11 gm of nitrogen gas is (0.39, 0.49, 0.29) [atomic mass of N = 14]

Explanation

To solve the question, we need to calculate the number of moles of nitrogen gas (N₂) in 11 grams. Here’s a step-by-step solution:

### Step 1: Identify the mass of nitrogen gas
We are given the mass of nitrogen gas, which is:
\[ \text{Mass of N}_2 = 11 \text{ grams} \]

**Hint:** Always start by noting down the given values in the problem.

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