XiMDCAT XI Complete Chemistry Grand Test#Limiting Reagent#Stoichiometry346Choose the best answerWhich statement about a limiting reagent is always correct?AIt is always the reactant with the least massBIt is always the reactant with the least number of molesCIt is completely consumed and determines the maximum amount of product that can be formedDIt always has the lowest molecular mass Like 0 Discuss 0Share
MDCAT Chemistry Paper 2025#Stoichiometric Calculations#Stoichiometry347Choose the best answerThe mass of hydrogen gas needed to produce 51g ammonia: (IBA MDCAT 2025)A6gB9gC12gD15g Like 5 Discuss 0Share
StoichiometryMole Concept and Number of Atoms348Choose the best answerWhich sample contains the greatest number of oxygen atoms?A1 g OB1 g O₂C1 g O₃DAll contain the same number Like 0 Discuss 0Share
Stoichiometry 11#Atomic Mass Conversion349Choose the best answerWhat is the approximate mass of one ²³Na atom in kilograms?A3.82 × 10⁻²⁶ kgB2.30 × 10⁻²⁶ kgC1.66 × 10⁻²⁷ kgD3.82 × 10⁻²³ kg Like 0 Discuss 0Share
Stoichiometry Stoichiometry MCQS#Mole Concept350Choose the best answerHow many moles of hydrogen atoms are present in 0.25 mol of CH₄?A0.25 molB0.50 molC1.00 molD4.00 mol Like 0 Discuss 0Share