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IrinaVladis [17]
3 years ago
8

Methanol, CH3OH, formerly known as wood alcohol, is manufactured commercially by the following reaction A 1.500-L vessel was fil

led with 0.1500 mol CO and 0.3000 mol H2. When this mixture came to equilibrium at 500 K, the vessel contained 0.1187 mol CO. How many moles of each substance were in the vessel?
Chemistry
1 answer:
cupoosta [38]3 years ago
3 0

Answer : The moles of CO,H_2\text{ and }CH_3OH are, 0.1187, 0.2374 and 0.0313 moles respectively.

Explanation : Given,

Initial moles of CO = 0.15 mole

Initial moles of H_2 = 0.3 mole

Moles of CO at equilibrium = 0.1187 mole

The given equilibrium reaction is,

                             CO+2H_2\rightleftharpoons CH_3OH

Initial moles          0.15    0.3          0

At equilibrium  (0.15-x)  (0.3-2x)    x

As we are given that,

Moles of CO at equilibrium = 0.1187 mole = 0.15 - x

0.15 - x = 0.1187

x = 0.0313

Moles of H_2 at equilibrium = 0.3 - 2x = 0.3 - 2(0.0313) = 0.2374 mole

Moles of CH_3OH at equilibrium = x = 0.0313 mole

Therefore, the moles of CO,H_2\text{ and }CH_3OH are, 0.1187, 0.2374 and 0.0313 moles respectively.

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