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d Chrome File Edit View History Bookmarks People Window Help Course Notifications-BOL10 × i A ALEKS-Learn-Nara Lara c o Secure https://www-awhaleks.com/aleksogi/x/isl.exe/10-u-IgNslkr78P3jH-18x4uFZeiq 1apRdEMO8 Q Solving for a reactant using a chemical equation Nlara" Wine goes bed soon after opening because the ethanol (CH,CH,OH) in it reacts with oxygen gas (02) from the air to form water (H,0) and acetic acid (CH,COOH), the main ingredient of vinegar What mass of oxygen gas is consumed by the reaction of 3.2 g of ethanol? Be sure your answer has the correct number of significant digits. De esc 2 3 4 5

Explanation / Answer

CH3CH2OH + O2 ---> CH3COOH + H2O

1 mol ethanol = 1 mol o2

no of mol of ethanol = 3.2/46 = 0.0695 mol

no of mol of O2 required = 0.0695 mol

mass of O2 required = 0.0695*32 = 2.22 g

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