StoichiometryMole Concept and Electron Stoichiometry31Choose the best answerWhat mass of Ca releases the same number of valence electrons as 23 g Na?A40 gB20 gC30 gD50 g Like 0 Discuss 0Share
StoichiometryLimiting Reagent and Mole–Mole Stoichiometry32Choose the best answerFor the reaction: A + 2B → C 5 mol A and 8 mol B will produce:A5 mol CB4 mol CC8 mol CD13 mol C Like 0 Discuss 0Share
Stoichiometry Stoichiometry MCQS#Mole Concept33Choose the best answerWhich statement about one mole is correct?AOne mole of different substances always has the same massBOne mole is always equal to 22.4 L of any substanceCOne mole of any substance contains the same number of particlesDOne mole always contains 1 gram of substance Like 0 Discuss 0Share
Stoichiometry Stoichiometry MCQS#Avogadro's Number34Choose the best answerHow many electrons are present in one mole of electrons?A1 electronB6.02 × 10²³ coulombsC6.02 × 10²³ electronsD1 gram of electrons Like 0 Discuss 0Share
Stoichiometry Stoichiometry MCQS#Mole Concept35Choose the best answerWhich sample contains the greatest number of atoms?A1 mol N₂B1 mol COC1 mol N₂OD1 mol NaCl Like 0 Discuss 0Share