StoichiometryMole Concept and Number of Atoms151Choose the best answerHow many carbon atoms are present in 6 g C?A6NAB12NACNAD0.5NA Like 0 Discuss 0Share
UHS MDCAT 2024 Chemistry#Mole Concept#Stoichiometry152Choose the best answerNo individual atom in the sample of 1 mole of Neon has a mass of 20.18 a.m.u. because it is:AOverall mass of an isobarBIt is a fractional massCIt is molar mass of NeDAverage atomic mass of Ne Like 0 Discuss 0Share
StoichiometryVapour Density and Molar Mass153Choose the best answerTwo moles of a gas X have a mass of 44 g. Its vapour density relative to H₂ is:A44B22C11D5.5 Like 0 Discuss 0Share
StoichiometryMass–Mass Stoichiometry154Choose the best answerWhat mass of O₂ is required to react completely with 0.6 g C? C + O₂ → CO₂A32 gB16 gC1.6 gD0.8 g Like 0 Discuss 0Share
StoichiometryLaw of Conservation of Mass155Choose the best answerWhich statement is always true for a balanced chemical reaction?ATotal moles of reactants and products are equalBTotal gas volumes of reactants and products are equalCTotal mass of reactants and products is equalDAll of these Like 0 Discuss 0Share