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A rigid tank contains 70.5 g of chlorine gas (Cl2) at a temperature of 78 °C...

A rigid tank contains 70.5 g of chlorine gas (Cl2) at a temperature of 78 °C and an absolute pressure of 5.00 × 10^ 5 Pa. Determine the volume of the tank. Later, the temperature of the tank has dropped to 31 °C and, due to a leak, the pressure has dropped to 3.20 × 10^ 5 Pa. How many grams of chlorine gas have leaked out of the tank? (The mass per mole of Cl2 is 70.9 g/mol.)

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mass m 70.Sg and H- 70.9 3/mo Tiニ78℃こ78+273 こ 351K 70.5 No10f moles m 0.99435mol 70.9 MRTI (099435)(8-314) (351) PI SX105 .80

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