The number of molecules in 1 kg mole is ……………… .

Explanation

To find the number of molecules in 1 kg mole, we need to understand the concept of a mole in chemistry. A mole is a unit that measures the amount of substance.

1. **Understanding the mole**:
- One mole of any substance contains Avogadro's number of entities (atoms, molecules, etc.).
- Avogadro's number is approximately \(6.022 \times 10^{23}\).

2. **Identifying the question**:
- The question asks for the number of molecules in 1 kg mole.
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