Question #267178
  • typical vodca sold as 80 proof. it contains 40% ethanol by volum a density of ethanol and water are 0.789g/ml and 1g/ml respetivly calculat mass% of ethanol
1
Expert's answer
2021-11-17T12:36:02-0500

Mass of ethanol =40×0.789=31.6grams=40×0.789=31.6grams


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