BasicsStoichiometry #Mole Concept351Choose the best answerWhich option correctly gives a molar mass?A1 g of HB32 u for an O₂ moleculeC16 g mol⁻¹ for CH₄D50 u for a CaCO₃ formula unit Like 0 Discuss 0Share
BasicsStoichiometry #Formula Mass352Choose the best answerWhich substance should be described using formula mass rather than molecular mass?AH₂OBCO₂CNaClDC₆H₁₂O₆ Like 0 Discuss 0Share
StoichiometryMass of an Element in a Compound353Choose the best answerHow many moles of NO₂ contain 16 g oxygen?A0.25 molB1.00 molC0.50 molD1.50 mol Like 0 Discuss 0Share
StoichiometryMass–Volume Stoichiometry354Choose the best answerWhat volume of CO₂ at STP is produced from 1.0 g of CaCO₃? CaCO₃ → CaO + CO₂A22.4 LB2.24 LC0.224 LD0.0224 L Like 0 Discuss 0Share
StoichiometryGay-Lussac's Law of Combining Volumes355Choose the best answerGas volumes at the same temperature and pressure react in simple whole-number ratios. This is:AProust's lawBAvogadro's lawCGay-Lussac's law of combining volumesDLaw of multiple proportions Like 0 Discuss 0Share