Hydrogen gas produced in the laboratory by the reaction of zinc and hydrochloric acid was collected over water at 25°C.

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Hydrogen Gas Produced In The Laboratory By The Reaction Of Zinc And Hydrochloric Acid Was Collected Over Water At 25 C 1 (29.46 KiB) Viewed 33 times

Hydrogen gas produced in the laboratory by the reaction of zinc and hydrochloric acid was collected over water at 25°C. The barometric pressure at the time was 742.5 mm Hg. What is the pressure of dry hydrogen gas if the vapor pressure of water at 25°C is 19.5 mm Hg? (R= 0.0821 L atm/mol K) O 766.3 mm Hg O 718.7 mm Hg O742.5 mm Hg O 760.0 mm Hg O 723.0 mm Hg Next ▸ Ti Att 1