Gases produced by a chemical reaction can easily be collected over water. To determine the pressure of the dry gas, the vapor pressure of the water at that temperature must be subtracted from the total pressure. 1) Consider the following reaction: Mg(s) + 2HCl(aq) → MgCl₂(aq) + H₂(g) The total pressure of gas collected over water is 650.0 mmHg and the temperature is 20.0°C What is the pressure of hydrogen gas formed in mmHg? Pressure = mmHg

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Gases produced by a chemical reaction can easily be collected over water. To determine the pressure of the dry gas, the vapor
pressure of the water at that temperature must be subtracted from the total pressure.
1) Consider the following reaction:
Water Vapor Pressure Table
Mg(s) + 2HCl(aq) →→→ MgCl₂(aq) + H₂(g)
The total pressure of gas collected over water is 650.0 mmHg and the temperature is 20.0°C What is the pressure of hydrogen gas formed in
mmHg?
Pressure =
mmHg
Transcribed Image Text:Gases produced by a chemical reaction can easily be collected over water. To determine the pressure of the dry gas, the vapor pressure of the water at that temperature must be subtracted from the total pressure. 1) Consider the following reaction: Water Vapor Pressure Table Mg(s) + 2HCl(aq) →→→ MgCl₂(aq) + H₂(g) The total pressure of gas collected over water is 650.0 mmHg and the temperature is 20.0°C What is the pressure of hydrogen gas formed in mmHg? Pressure = mmHg
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