Answer
There is a total of $0.78$ mole of $S$ in 25 g of that.
Work Step by Step
1. Find the molar mass $(S)$:
$S: 32.07g$
2. Calculate the number of moles $(S)$
$ 25g \times \frac{1 mole}{ 32.07g} = 0.78 moles$
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