Neco Model Questions Vol1 2019 Chemistry Question 24
Practice objective / multiple choice question 24 from the 2019 Neco Model Questions Vol1 Chemistry examination.
The apparatus shown is a gas‑collection‑over‑water setup. Hydrogen gas is generated and collected in the inverted graduated cylinder. The volume of gas collected is 845 mL at 25 °C. The atmospheric pressure is 760 mm Hg and the vapor pressure of water at 25 °C is 23.8 mm Hg. Calculate the number of moles of hydrogen gas collected. Use \(R = 0.0821\; \text{L·atm·mol}^{-1}\text{·K}^{-1}\).
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About This Question
This is Neco Model Questions Vol1 2019 Chemistry Question 24. It is one of the objective questions from the 2019 Neco Model Questions Vol1 Chemistry examination.
Difficulty level: Medium .
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