Stoichiometry Stoichiometry MCQS#Mole Concept31Choose the best answerHow many moles of Mg are present in 6 g of Mg? (Molar mass of Mg = 24 g mol⁻¹)A0.25 molB0.50 molC1.0 molD4.0 mol Like 23 Discuss 0Share
Stoichiometry Stoichiometry MCQS#Mole Concept32Choose 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
StoichiometryMole#Mole Concept33Choose the best answerOne mole of carbon has a mass of 12 g, while one mole of magnesium has a mass of 24 g. One Mg atom is:AHalf as heavy as one C atomBEqual in mass to one C atomCTwice as heavy as one C atomDFour times as heavy as one C atom Like 0 Discuss 0Share
StoichiometryMole#Mole Concept34Choose the best answerWhich statement is correct for 98 g (1 mol) of H₂SO₄?Atwice the Avogadro's number of oxygen atomsBfour times the Avogadro's number of atomsCtwice the Avogadro's number of hydrogen atomsDB and C Like 0 Discuss 0Share
Stoichiometry Stoichiometry MCQS#Mole Concept35Choose the best answerWhich sample contains the greatest number of molecules?A5 mol CH₄B10 mol N₂C15 mol COD20 mol N₂O Like 11 Discuss 0Share