Ammonium bisulfide, NH4HS, forms ammonia, NH3, and hydrogen sulfide, H2S, through the reaction NH4HS(s)?NH3(g)+H2S(g) This reaction has a...

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Ammonium bisulfide, NH4HS, forms ammonia, NH3, and hydrogensulfide, H2S, through the reaction

NH4HS(s)?NH3(g)+H2S(g)

This reaction has a Kp value of 0.120 at 25 ?C.


An empty 5.00-L flask is charged with 0.400g of pure H2S(g), at 25?C.

What is the initial pressure of H2S(g) in theflask?

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4.3 Ratings (854 Votes)
A Surely you mean that the flask was charged with 0400 g of pure NH4HS solid not H2S If you put only H2S in there there would be no reaction since there isnt any NH3 for it to react with Some of the NH4HS solid will vaporize to form x atm each of NH3 and H2S gases Kp NH3H2S xx 0120 x2 0120 x 0346 atm each of NH3 and H2S B Since the number of moles of each gas are equal the mole fraction of each gas is 050 C If I do it    See Answer
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