BasicsStoichiometry #Mole Concept11Choose the best answerA sample contains 0.1 mol of triatomic molecules. How many moles of atoms are present?A0.1 mol atomsB0.3 mol atomsC3 mol atomsD1 mol atoms Like 2 Discuss 0Share
StoichiometryMole Concept and Number of Atoms12Choose the best answerWhich sample contains the same number of atoms as 20 g Ca?A16 g SB32 g OC39 g KD48 g Mg Like 0 Discuss 0Share
MDCAT Chemistry Past Paper 2023#Stoichiometric Calculations#Stoichiometry13Choose the best answerWhat volume of oxygen at S.T.P is required to burn 500 dm³ of ethene? (MDCAT 2023)A500 dm³B1000 dm³C1500 dm³D2000 dm³ Like 0 Discuss 0Share
KMU MDCAT 2024 Chemistry#Stoichiometric Calculations#Stoichiometry14Choose the best answerWhat mass of aluminium oxide (Al₂O₃) is produced from 18.5g of Al metal, when it reacts completely with oxygen gas according to the following equation? 4Al(s) + 3O₂(g) → 2Al₂O₃(s) (KMU MDCAT 2024)A30.8gB32.6gC34.9gD36.5g Like 0 Discuss 0Share
Stoichiometry Stoichiometry MCQS#Avogadro Constant15Choose 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