0380 g of Mg strip reacted completely with 6 M HCl in the gas buret and 35.8 mL of hydrogen gas is collected over water at 20.0 ℃. The pressure of the “wet” hydrogen gas is adjusted to the outside atmospheric pressure, a pressure of 747.50 torr. The vapor pressure of water at 20.0 ℃ is 17.54 torr.   How many mole of Magnesium were reacted? How many moles of H2 are theoretically produced? Mg(s) + 2 HCl(aq)  →  MgCl2(aq) + H2(g)   What is the pressure of “dry” hydrogen gas?   __________torr   __________atm   Using the volume of hydrogen gas collected and the universal gas law, PV = nRT, where R is the gas constant 0.08206 L•atm/mol•K, calculate the experimental number of moles of hydrogen produced.   What is the percent yield for the reaction?

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  1. 0380 g of Mg strip reacted completely with 6 M HCl in the gas buret and 35.8 mL of hydrogen gas is collected over water at 20.0 ℃. The pressure of the “wet” hydrogen gas is adjusted to the outside atmospheric pressure, a pressure of 747.50 torr. The vapor pressure of water at 20.0 ℃ is 17.54 torr.

 

  1. How many mole of Magnesium were reacted?
  2. How many moles of H2 are theoretically produced?

Mg(s) + 2 HCl(aq)  →  MgCl2(aq) + H2(g)

 

  1. What is the pressure of “dry” hydrogen gas?

 

__________torr

 

__________atm

 

  1. Using the volume of hydrogen gas collected and the universal gas law, PV = nRT, where R is the gas constant 0.08206 L•atm/mol•K, calculate the experimental number of moles of hydrogen produced.

 

  1. What is the percent yield for the reaction?

 

 

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