Chemistry, 12.02.2021 20:50 etwerner23
Black powder is made of 75% saltpeter (potassium nitrate; KNO3), 15% charcoal (carbon), and 10% sulfur. What is the mass of KNO3, Carbon, and Sulfur in a 150 gram sample of black powder?
Answers: 1
Chemistry, 22.06.2019 05:50
What happens when the temperature of a solution increases?
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Chemistry, 22.06.2019 21:50
Liquid from a brewery fermentation contains 10% ethanol and 90% water. part of the fermentation product (50,000 kg/h) is pumped to a distillation column on the factory site. under current operating conditions, a distillate of 45% ethanol and 55% water is produced from the top of the column at a rate of one-tenth that of the feed. what is the composition of the waste "bottoms" from the still?
Answers: 2
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