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+--- Thread: OWLLab Determination of the Atomic Mass of Aluminum (/showthread.php?tid=34471)
OWLLab Determination of the Atomic Mass of Aluminum - LamarBuckn - 01-16-2020
In the reaction between aluminum and hydrochloric acid, how many moles of hydrogen gas would be liberated when 3.778E-2 grams of aluminum are treated with excess hydrochloric acid?use molar mass to find moles 3.778E-2 grams of aluminum 26.98 g/mol 0.001400 moles of Al by the equation 2 Al 6 HCl - 2 AlCl3 3 H2 0.001400 moles of Al produces 3/2 \'s as many moles of H2 0.002100 moles your answer, rounded to 4 sig figs is 0.002100 moles of H2Other related question
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