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Answer to Question #263793 in General Chemistry for Salem
Question #263793
Hydrogen gas can be collected from the reaction of a metal element with a strong acid as shown. When a 500.0 mg iron metal sample was soaked in 50.00 mL 0.500 M HNO3, 16.00 mg H2 was collected. How efficient is this process?
2Fe + 6HNO3 → 2Fe(NO3)3 + 3H2
Expert's answer
Efficiency =71.4%
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