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OpenStudy (anonymous):
Room Temperature- 22.0°C Barometric pressure- 100.5 kPa water vapour pressure at 22°C- 2.60 kpa Mass of Mg ribbon- 0.0500 g Volume of hydrogen gas- 48.3 mL My question is, how do I find the volume of hydrogen collected at STP? Do I use v=nrt/p or do I multiply 48.3mL x 1mol/ 22.4L?
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