`3. 0 11 xx 10 ^(23) ` molecules of a gas weight 14 g. Calculate the molecular weight of the gas.

Explanation

To find the molecular weight of the gas, we can follow these steps:

### Step 1: Calculate the number of moles of the gas
We know that the number of moles (n) can be calculated using the formula:

\[ n = \frac{\text{Number of molecules}}{\text{Avogadro's number}} \]
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