رد: كيمياء 110 الترم الثاني 2012
A sample of hydrogen gas was collected over water at 21°C and 685 mmHg. The volume of the container was 7.80 L.
Calculate the mass of H2(g) collected. (Vapor pressure of water = 18.6 mmHg at 21°C.)
كيف اعرف ايت هو الضغط الكلي وضغط الهيدروجين
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