1 answer

A CHEM101 student has a 25.0 mg sample of magnesium that gives a volume of 26.0...

Question:

A CHEM101 student has a 25.0 mg sample of magnesium that gives a volume of 26.0 mL of H2(g). If the atmospheric pressure is 30.68 inches of Hg calculate how many mm of H2O will be above the water in the beaker.


Answers

Ma 25.0 mg mass 24.305 mol molar maвъ mol O025 0 ..moles of Mg 24.305 Ma + 2 H20 MgtoH)2 H2 mel O.0250 H2 produced moles 24.3

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