g/mol. ibustion of 1.532 g of this gaseous hydrocarbon (C,H,) yields 4.484 g of carbon dioxide and 2.754 g of v hydrocarbon. Express your answers as a number (not scientific notation) without units; for full credit, the e correct value, with an appropriate number of significant figures. moles C in C,Hy moles H in C,Hy empirical and molecular formulas of this hydrocarbon. If a subscript in the formula is "1", enter it explic ula: C nula: C H

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Gaseous hydrocarbon
A 0.271-g sample of a gaseous hydrocarbon (C,Hy) occupies 226 mL at 22.0 °C at 735 torr. Calculate the molar mass of this hydrocarbon in g/mol. Express your
answer as a number (not scientific notation) without units; for full credit, the last digit of your answer should be within ±1 of the correct value, with an appropriate
number of significant figures.
Molar mass:
g/mol.
Complete combustion of 1.532 g of this gaseous hydrocarbon (C,H,) yields 4.484 g of carbon dioxide and 2.754 g of water. Calculate the moles of C and H in this
amount of the hydrocarbon. Express your answers as a number (not scientific notation) without units; for full credit, the last digit of your answer should be
within ±2 of the correct value, with an appropriate number of significant figures.
moles C in C,H,y
moles H in C,Hy
Determine the empirical and molecular formulas of this hydrocarbon. If a subscript in the formula is "1", enter it explicitly.
Empirical formula: C
H
Molecular formula: C
H
Transcribed Image Text:Gaseous hydrocarbon A 0.271-g sample of a gaseous hydrocarbon (C,Hy) occupies 226 mL at 22.0 °C at 735 torr. Calculate the molar mass of this hydrocarbon in g/mol. Express your answer as a number (not scientific notation) without units; for full credit, the last digit of your answer should be within ±1 of the correct value, with an appropriate number of significant figures. Molar mass: g/mol. Complete combustion of 1.532 g of this gaseous hydrocarbon (C,H,) yields 4.484 g of carbon dioxide and 2.754 g of water. Calculate the moles of C and H in this amount of the hydrocarbon. Express your answers as a number (not scientific notation) without units; for full credit, the last digit of your answer should be within ±2 of the correct value, with an appropriate number of significant figures. moles C in C,H,y moles H in C,Hy Determine the empirical and molecular formulas of this hydrocarbon. If a subscript in the formula is "1", enter it explicitly. Empirical formula: C H Molecular formula: C H
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