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Chemistry, 26.10.2020 16:40 maribelarreolap4sgpj

Occupational Safety and Health Administration's (OSHA's) permissible exposure limit (PEL) for acetic anhydride is 5 ppm in air and the immediate danger to life and health (IDLH) value is 200 ppm in air. Such vapor concentrations can be determined by dividing the vapor pressure by 760 mmHg and then multiplying by 106 (VP/760 x 106). Calculate the vapor concentration at 20 ∘C and 50 ∘C.

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