medium · MCAT chem-phys

A reaction involves 2 moles of H_2 and 2 moles of O_2 reacting to form H_2O according to the balanced equation 2 H_2 + O_2 rightarrow 2 H_2O.

Which of the following is true at the completion of the reaction?

  1. H_2 is the limiting reagent, and 1 mole of O_2 remains.
  2. O_2 is the limiting reagent, and all O_2 is consumed.
  3. 4 moles of H_2O are produced.
  4. Neither reactant is limiting as they are present in equal molar amounts.

Sign up free to see the explanation and track your rank →

More MCAT chem-phys practice

KomFi: Test Prep Made Easy

KomFi: Test Prep Made Easy — free adaptive practice for GMAT, GRE, SAT, ACT, National Real Estate Exam, Investment Banking, and finance with full explanations.

KomFi Academy is free GMAT prep and personalized GMAT help built as a training platform: 75,000+ practice questions, 26,500+ flashcards, on-demand video lectures, podcasts, and 4K slide decks. Flagship tracks: Free GMAT Prep, Free GMAT Resources, National Real Estate Exam Prep, Investment Banking Prep, Finance Prep, GRE, SAT, ACT, LSAT, MCAT, Financial Accounting, Private Equity, Private Credit, and Quantitative Finance.

Free GMAT Prep & Personalized GMAT Help

What's inside

Topics

View pricing · Read testimonials