A gas in a 325 mL container has a pressure of 695 torr at 19 °C. There are ________ mol of gas in the flask. A)1.24 × 10^-2 B)1.48 × 10^-2 C)9.42 D)12.4 E)80.6

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Quizplus · Accepted Answer

Using the ideal gas law PV = nRT, where P = 695 torr (converted to atm = 695/760), V = 325 mL (converted to L = 0.325 L), R = 0.0821 L·atm/mol·K, and T = 19 °C (converted to Kelvin = 292 K), we can solve for n (moles of gas). The calculation gives approximately 1.24 × 10^-2 mol.

A Gas in a 325 ML Container Has a Pressure