Pressure Syringe

The day when the atmospheric pressure is 730 Torr and ambient temperature is 20 oC, a plastic syringe with an internal area of cross section of a IN2 is filled to the mark with 50 ml of helium gas . The plunger is pushed against a bathroom scale until the volume of gas was reduced to 30 ml. Assuming ideal conditions, what is the scale reading books?

I am disappointed you for posting this question online instead of doing for yourself for prelab. You will not learn this way. This is considered a violation of academic honesty code.
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