# On mixing 1 mole of ethyl alcohol with 1 mole of acetic acid at 298 K the equilibrium concentration of ester and water becomes - moles each. If $\frac{2}{3}$ moles of alcohol is mixed with 1 mole of acid, the concentration of ester in moles at equilibrium will be

0.09

0.90

1.1

2.2

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