Answer :
Answer:
69.8 kilo Pasacl is the pressure of the hydrogen gas.
Explanation:
[tex]Mg+2HCl\rightarrow MgCl_2+H_2[/tex]
Pressure at which hydrogen gas collected = p = 101.2 kilo Pascals
Vapor pressure water = [tex]p^o[/tex] = 31.4 kilo Pascals
The pressure of hydrogen gas = P
The pressure at which gas was collected was sum of vapor pressure of water and hydrogen gas.
[tex]p=P+p^o[/tex]
[tex]P =p-p^o=101.2 kPa-31.4 kPa=69.8 kPa[/tex]
69.8 kilo Pasacl is the pressure of the hydrogen gas.
Final answer:
The pressure of the hydrogen gas is 69.8 kPa.
Explanation:
The pressure of the hydrogen gas can be calculated by subtracting the vapor pressure of water from the total pressure. In this case, the total pressure is 101.2 kPa and the vapor pressure of water is 31.4 kPa. So, the pressure of the hydrogen gas is 101.2 kPa - 31.4 kPa = 69.8 kPa.
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