UHS MDCAT 2024 Chemistry#Mole Concept#Stoichiometry6Choose the best answerNumber of moles in an element is directly proportional to:AMass of an elementBEmpirical formula massCMolar mass of an elementDFormula mass Like 0 Discuss 0Share
StoichiometryMole Concept7Choose the best answerWhich statement is incorrect?AMass of 1 mol Cl₂ = 35.5 gB1 mol H₂ contains 6.022 × 10²³ moleculesC23 g Na and 24 g Mg contain approximately equal numbers of atomsD1 mol ideal O₂ occupies about 22.4 dm³ at 273 K and 1 atm Like 0 Discuss 0Share
BasicsStoichiometry #Mole Concept8Choose the best answerWhich statement correctly describes the particles present in 1 mole of CaCO₃?A6.02 × 10²³ molecules of CaCO₃B6.02 × 10²³ formula units of CaCO₃C6.02 × 10²³ Ca atoms onlyD6.02 × 10²³ g of CaCO₃ Like 0 Discuss 0Share
StoichiometryMole#Mole Concept9Choose the best answerWhat is the formula mass of an ionic compound called when expressed in grams?AGram atomic massBMolecular massCRelative atomic massDGram formula mass Like 0 Discuss 0Share
SINDH MDCAT 2019 CHEMISTRY#Mole Concept#Stoichiometry10Choose the best answerMolarity of pure water is: (Sindh MDCAT 2019)A01B18C36D55.5 Like 0 Discuss 0Share