Respuesta :

The pressure in atm is 6.8.

Calculation,

According to ideal gas law,

PV = nRT           ..(i)

  • P is pressure = ?
  • V is volume =  5.43 L
  • n is number of moles = 1.82 moles
  • T is temperature = 69.50°C = 69.50°C + 278 K = 247.50 K
  • R is universal gas constant = 0.082 atm L/K mol

Putting the value of all given data in equation (i) we get,

P×5.43 L =  1.82 moles ×247.50 K × 0.082 atm L/K mol

P =  1.82 moles ×247.50 K × 0.082 atm L/K mol /5.43 L = 6.8 atm

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