رد: مراجعة بنك أسئلة الكيمياء للابواب 4,5,7,8
دكتوورة ابغى حل دا ارجو المساعده :
a 0.580 g sample of compound containing only carbpn and hydrogen contains 0.480 g of carbon and 0.100 g of hydrogen .at stp , 33.6 ml of the gas has a mass of 0.087 g what is the molecular formula for the copound ?
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