Electrical energy can be used to separate water into O2(g) and H2(g). In one demonstration of...

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Electrical energy can be used to separate water into O2(g) and H2(g). In one demonstration of...

Electrical energy can be used to separate water into O₂(g) and H₂(g). In one demonstration of this reaction, 17.00 mL of H₂ are collected over water at 25°C. Atmospheric pressure is 741.0 mmHg. How many grams of H₂ are collected?

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Answer 1

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According to ideal gas law PV = nRT p is the pressure V is the volume n is number of moles R = 0.0821 L. atm. mol.kt t is the n = PV RT P = 741 mm Hg = 741 atm = 0.975 atm 760 V= 17x108 [ime: 10²2 ) T= 298 K = 256 . ho (0.975 atm) x (12x16 ²2) (0.0821

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