A fluorescent tube filled with argon at 25 ° C and 102.4 kPa has a total mass of 312,50 g. The internal dimensions are 32.4 mm diameter and 1,2162 m in length. We extract the argon using a vacuum pump. What will be the total mass of the tube when the internal pressure will be 18.2 mmHg and the temperature of 35 ° C?
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