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If the complete combustion of an unknown mass of ethylene produces 225.54 g CO2, what mass of ethylene is combusted? C2H4(g) + 3 O2(g) → 2 CO2(g) + 2 H2O(g) Molar mass of  CO2(g) = 44 g/mol Molar mass of  C2H4(g) = 28g/mol

If the complete combustion of an unknown mass of ethylene produces 225.54 g CO2, what mass of ethylene is combusted? C2H4(g) + 3 O2(g) → 2 CO2(g) + 2 H2O(g) Molar mass of  CO2(g) = 44 g/mol Molar mass of  C2H4(g) = 28g/mol

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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If the complete combustion of an unknown mass of ethylene produces 225.54 g CO2, what mass of ethylene is combusted?

C2H4(g) + 3 O2(g) → 2 CO2(g) + 2 H2O(g)

Molar mass of  CO2(g) = 44 g/mol

Molar mass of  C2H4(g) = 28g/mol

Limestone, Caco3, dissolves in muriatic acid, HCI, to form calcium chloride, carbon dioxide, and water. a. How many moles of HCl are required to dissolve 26.0 g of Caco3? b. What is the mass of water formed in part (a)? Molar Mass: Ca: 40.08 g/mol C: 12.01 g/mol O: 16.00 g/mol H: 1.01 g/mol Cl: 35.45 g/mol
Transcribed Image Text:Limestone, Caco3, dissolves in muriatic acid, HCI, to form calcium chloride, carbon dioxide, and water. a. How many moles of HCl are required to dissolve 26.0 g of Caco3? b. What is the mass of water formed in part (a)? Molar Mass: Ca: 40.08 g/mol C: 12.01 g/mol O: 16.00 g/mol H: 1.01 g/mol Cl: 35.45 g/mol
Magnesium reacts with iodine gas at high temperatures to form magnesium iodide. A. What mass of magnesium iodide, MgI2, can be produced from the reaction of 5.15 g Mg and 50.0 g I2? B. What is the limiting reactant? MM of Mg = 24.31g/mol MM of I2 = 253.81g/mol MM of MgI2 = 278.12g/mol
Transcribed Image Text:Magnesium reacts with iodine gas at high temperatures to form magnesium iodide. A. What mass of magnesium iodide, MgI2, can be produced from the reaction of 5.15 g Mg and 50.0 g I2? B. What is the limiting reactant? MM of Mg = 24.31g/mol MM of I2 = 253.81g/mol MM of MgI2 = 278.12g/mol
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