Practice question
Question
A mixture of 5 g H₂ and 40 g O₂ is ignited to form H₂O. What is the mass of H₂O produced? (Atomic masses: H = 1, O = 16)
Explanation
Reaction: 2H₂ + O₂ → 2H₂O. Moles: H₂ = 2.5 mol, O₂ = 1.25 mol. 1.25 mol O₂ limits, reacts with 2.5 mol H₂. 2.5 mol H₂O formed = 2.5 × 18 = 45 g.
Related blogs
Guides and insights connected to this topic
Plant Cell Structure and Organelles: Definition, Diagram, Functions
Learn what defines a plant cell, how it differs from an animal cell, and the structure and functions of its 14 major organelles with clear explanations and diagrams.
Animal Cell Structure, Diagram and Organelles – Definition, Types, Functions
Learn what defines an animal cell, its organelles, and how they differ from plant cells. Includes diagrams and clear explanations of cell structure and functions.
SARS-CoV-2 Coronavirus: Structure, Genome, Proteins, Replication, Pathogenesis, and Host Interaction
Coronavirus Overview Coronaviruses (CoVs) are enveloped viruses (surrounded by a lipid membrane derived from host cells), belonging to the s...