The reaction 2H;S 2Hxo + Sz has K,-1.09 x10 at 800 K. Initially, 1.5L of reaction flask contains 0.0275 mole of H2S at 800 K. How many grams of hydrogen gas present at equilibrium? (H:1.008 g/mol, S: 32.06 g/mol, R: 0.082057 atmL/molK)

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