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Aneli [31]
3 years ago
7

How many moles of aqueous sodium ions and sulfide are formed when 2.50 mil of sodium sulfide dissolved in water.

Chemistry
1 answer:
kow [346]3 years ago
5 0

Answer:

5.00 and 2.50 moles of aqueous sodium and sulfide ions are formed.

Explanation:

The dissociation reaction of sodium sulfide is as follows.

Na_{2}S(aq)\rightarrow 2Na^{+}(aq)+S^{2-}(aq)

From the reaction one mole of sodium sulfide produce 2 moles sodium ions.

Let's calculate the moles of Na^{+}ions.

Moles\,of\,Na^{+}=2.50molNa_{2}S\times \frac{2mol\,Na^{+}}{1mol\,Na_{2}S}=5.00mol\,Na^{+}

From the reaction one mole of sodium sulfide produce one mole of sulfide ions.

Let's calculate the moles of S^{2-}ions.

Moles\,of\,S^{2-}=2.50molNa_{2}S\times \frac{1mol\,S^{2-}}{1mol\,Na_{2}S}=2.50mol\,S^{2-}

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