Stoichiometry 11#Ionic Compounds1Choose the best answerWhy is formula mass used for NaCl instead of molecular mass?ANaCl has a very high massBNaCl exists only in the solid stateCNaCl forms an ionic lattice instead of separate moleculesDSodium is a metal Like 0 Discuss 0Share
Stoichiometry Stoichiometry MCQS#Avogadro Constant2Choose the best answerA mass of 1/N_A gram is approximately equal to which quantity?AThe mass of a protonBMolar massCOne atomic mass unit (u)DA and C Like 1 Discuss 0Share
Stoichiometry 11#Avogadro's Number3Choose the best answerIf one mole were defined as 6.022 × 10²⁰ particles instead of 6.022 × 10²³ particles, which quantity would change?AThe definition of mass in gramsBThe mass of one mole of carbonCThe stoichiometric ratio in a balanced equationDThe ratio of elements in a compound Like 0 Discuss 0Share
Stoichiometry Stoichiometry MCQS#Physical Change4Choose the best answerIdentify the physical change among the following.ARusting of ironBBurning magnesium ribbonCBurning a candleDMelting wax Like 0 Discuss 0Share
Stoichiometry 11#Mole Concept5Choose the best answerAtom X has a mass of 2 u and atom Y has a mass of 16 u. Which comparison is correct?AOne atom of Y is 8 times heavier than one atom of XBOne mole of Y is 8 times heavier than one mole of XCBoth A and BDNeither A nor B Like 0 Discuss 0Share