StoichiometryPercentage Composition by Mass226Choose the best answerWhat mass of SO₂ contains 8 g of oxygen?A64 gB32 gC16 gD8 g Like 1 Discuss 0Share
StoichiometryMolar Mass from Gas Volume227Choose the best answer11.2 dm³ of a gas at STP (273 K and 1 atm) has a mass of 16 g. What is its molar mass?A8 g mol⁻¹B16 g mol⁻¹C32 g mol⁻¹D4 g mol⁻¹ Like 0 Discuss 0Share
StoichiometryBalancing Chemical Equations228Choose the best answerWhen the equation is balanced using the smallest whole-number coefficients: C₆H₁₄ + O₂ → CO₂ + H₂O the coefficient of O₂ is:A1.5B13C19D38 Like 0 Discuss 0Share
StoichiometryMolar Volume at STP229Choose the best answer5.6 L O₂ at STP (273 K and 1 atm) corresponds to:A1 molB1/2 molC1/4 molD1/8 mol Like 0 Discuss 0Share
StoichiometryMolar Mass from Gas Volume230Choose the best answerAt STP (273 K and 1 atm), 5.6 L of a gas has a mass of 8 g. Its molar mass is:A32 g mol⁻¹B16 g mol⁻¹C8 g mol⁻¹D4 g mol⁻¹ Like 0 Discuss 0Share