How many grams of water will be produced when 1.6 moles of ethanol (CH3CH2OH) are burned completely? Enter a number only (no uni ts) and express your answer using the correct number of significant figures.
1 answer:
Answer:
86
Explanation:
The reaction that takes place is:
C₂H₅OH + 3O₂ → 2CO₂ + 3H₂O First we <u>convert moles of ethanol to moles of water</u>:
1.6 mol ethanol * Then we <u>convert moles of water to grams of water</u>, using its molar mass:
4.8 mol H₂O * 18 g/mol = 86.4 g So 84.6 grams of water will be produced.
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