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janeniz janeniz
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A quantity of liquid methanol, CH3OH, is introduced into a rigid 3.00-L vessel, the vessel is sealed, and the temperature is raised to 500K.  At this temperature, the methanol vaporizes and decomposes according to the reaction
         CH3OH(g) CO(g) + 2 H2(g),  Kc= 6.90×10–2.
If the concentration of H2 in the equilibrium mixture is 0.426M, what mass of methanol was initially introduced into the vessel?

▸ 147 g

▸ 74.3 g

▸ 33.9 g

▸ 49.0 g

▸ 24.8 g
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Chemistry

Chemistry


Edition: 11th
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