In 2 H₂ + O₂ → 2 H₂O, how many moles of O₂ react with 2 mol H₂?
A3 mol
B4 mol
C2 mol
D1 mol
Answer & Solution
Correct answer: D. 1 mol
The coefficients show two moles of hydrogen react with one mole of oxygen.
Keep practising Mole Concept and Stoichiometry
Browse all Mole Concept and Stoichiometry questions for ICSE Class 10, or explore more Chemistry topics.
Related questions
Match each empirical formula problem with the calculated empirical formula:Match each quantity with its number of moles:Match each molecular calculation formula with its expression:Match each stoichiometric gas relationship at STP (0°C, 1 atm):Which ratio leaves no reactant in excess after completion?Under ideal-gas conditions, what can be said about gas volume ratios in a reaction?Why are molar masses of natural elements often not whole numbers?For a pure sample, what quantity is found by dividing mass by molar mass?