A3.35 gram sample of an unknown gas is found to occupy a volume of 1.64 l at a pressure of 706 mmhg and a temperature of 59 °c. assume ideal behavior. the molar mass of the unknown gas is g/mol.

 The molar mass of the unknown gas is 59.8 g/mol

Explanation:

According to the ideal gas equation:-

P= Pressure of the gas = 706 mmHg = 0.93 atm    (760mmHg=1atm)

V= Volume of the gas = 1.64 L

T= Temperature of the gas = 59°C=(59+273)K=332 K   (0°C = 273 K)

R= Value of gas constant = 0.0821 Latm\K mol

To calculate the moles, we use the equation:

Thus the molar mass of the unknown gas is 59.8 g/mol

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