First, we need to find the moles of each element in the mineral.
- Moles of calcium (Ca): $\frac{29.4\,\text{g}}{40.08\,\text{g/mol}} = 0.733\,\text{mol}$
- Moles of sulphur (S): $\frac{23.5\,\text{g}}{32.07\,\text{g/mol}} = 0.732\,\text{mol}$
- Moles of
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