Welcome to your Quantitative Chemistry Name Email Match the questions to their answers Determine the number of moles in 14.625 grams of sodium chloride (NaCl). Relative molecular mass of sodium chloride (Mr of NaCl = 58.5). Calculate the number of moles in 81 grams of aluminum (Al). Relative atomic mass of aluminum (Ar of Al = 27) Find the moles present in 88 grams of carbon dioxide (CO₂). Relative molecular mass of carbon dioxide (Mr of CO₂ = 44) How many moles are there in 49 grams of sulfuric acid (H₂SO₄)? Relative molecular mass of sulfuric acid (Mr of H₂SO₄ = 98). Calculate the number of moles in 18 grams of water (H₂O). (Mr of water = 18) 2 mol 1 mol 3 mol 0.5 mol 0.25 mol Match the questions to their answers Determine the mass of 0.75 moles of methane (CH₄). (Mr of CH₄ = 16) Find the mass of 5 moles of sodium chloride (NaCl). (Mr of NaCl = 58.5) Calculate the mass of 2 moles of water (H₂O). (Mr of H₂O = 18) Calculate the mass of 4 moles of ammonia (NH₃). (Mr of NH₃ = 17) What is the mass of 1.5 moles of calcium carbonate (CaCO₃)? (Mr of CaCO₃ = 100) 68g 292.5g 150g 36g 12g Answer the following questions 1. In the reaction shown by the equation below, what mass of magnesium oxide can be made from 12 g of magnesium? Given: Ar of Mg = 24, Mr of MgO = 40Equation: 2Mg(s) + O2(g) → 2MgO(s). Answer g 2. In the reaction shown by the equation below, what mass of water can be made from 9 g of hydrogen? Given: Ar of H = 1, Mr of H2O = 18Equation: 2H2(g) + O2(g) → 2H2O(l) Answer 3. In the reaction shown by the equation below, what mass of carbon dioxide can be made from 6 g of carbon? Given: Ar of C = 12, Mr of CO2 = 44Equation: C(s) + O2(g) → CO2(g) Answer g 4. In the reaction shown by the equation below, what mass of sodium chloride can be made from 11.5 g of sodium? Given: Ar of Na = 23, Mr of NaCl = 58.5Equation: 2Na(s) + Cl2(g) → 2NaCl(s) Answer g 5. In the reaction shown by the equation below, what mass of aluminum oxide can be made from 13.5 g of aluminum? Given: Ar of Al = 27, Mr of Al2O3 = 102Equation: 4Al(s) + 3O2(g) → 2Al2O3(s) Answer g 1 out of 3 Time's upYou cannot switch tabs while taking this quiz!You are not allowed to switch tabs violation has been recorded.you cannot minimize full screen mode!You are not allowed to minimize full screen while taking this quiz, violation has been recorded.Access denied! To begin the quiz, please grant this quiz access to your camera.Time is Up!Time is Up!
