Calculate the IE (a) one `Li^(2+)` ion (b) one mole of `Li^(2+)` ion.Given Rydherg constant `= 1.0974 xx 10^(7)m^(-1)`

Explanation

To calculate the ionization energy (IE) of one \( \text{Li}^{2+} \) ion and one mole of \( \text{Li}^{2+} \) ions, we will follow these steps:

### Step 1: Understand the Ionization Energy Formula
The ionization energy can be calculated using the formula:
\[ \Delta E = R \cdot h \cdot c \cdot \frac{Z^2}{\left(\frac{1}{n_1^2} - \frac{1}{n_2^2}\right)} \]
where:
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