The reaction AB(aq)A(9)+B(g) is second order in AB and has a rate constant of 0.0140 L- mol-.s' at 25.0 °C. A reaction vessel initially contains 250.0 mL of 0.188 mol - L- AB which is allowed to react to form the gaseous product. The product is collected over water at 25.0 °C. Part A How much time is required to produce 289.0 mL of the products at a barometric pressure of 725.5 mmHg . (The vapor pressure of water at this temperature is 23.8 mmHg.) Express your answer to two significant figures and include the appropriate units. O D) ? Value Units

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