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An empty 5.00-L flask is charged with 0.250 g of pure H2S(g), at 25 ∘C. What is...

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Chemistry

An empty 5.00-L flask is charged with 0.250 g of pure H2S(g), at25 ∘C.

What is the initial pressure of H2S(g) in the flask?3.59*10^-2 atm

In addition to the H2S already present in the flask, solid NH4HSis added until there is excess unreacted solid remaining.

a) What are the partial pressuresof NH3 and H2S at equilibrium, that is, what are the valuesof PNH3 and PH2S,respectively?

b)What is the mole fraction, χ, of H2S in the gasmixture at equilibrium?

c)What is the minimum mass ofNH4HS that must be added to the 5.00-Lflask when charged with the0.250 g of pure H2S(g), at 25 ∘C to achieve equilibrium?Express your answer numerically ingrams.

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