A 0.1586-g sample of aluminum/ zing alloy is placed in a apparatus. The hydrogen

Edwin

New member
gas generated by the reaction? A 0.1586-g sample of aluminum/ zing alloy is placed in a apparatus. The hydrogen gas generated by the reaction with hydrochloric acid displaces 166.5 mL of water into a beaker (21 degrees Celsius). The vapor pressure of water at this temp. is 18.7 mm Hg. The barometric pressure is 746 Hg. calculate the moles of dry hydrogen gas produced. Show calculation and please explain!
 
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