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Chemistry, 21.06.2019 16:30
10-14. (a) when 100.0 ml of weak acid ha were titrated with 0.093 81 m naoh, 27.63 ml were required to reach the equivalence point. find the molarity of ha. (b) what is the formal concentration of a- at the equivalence point? (c) the ph at the equivalence point was 10.99. find pk. for ha. (d) what was the ph when only 19.47 ml of naoh had been added?
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Chemistry, 21.06.2019 20:30
What problem would a person have if the nucleic acid in one of his or her cells were damaged?
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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
Mathematics, 18.03.2021 23:30
Mathematics, 18.03.2021 23:30
Mathematics, 18.03.2021 23:30
Mathematics, 18.03.2021 23:30
Mathematics, 18.03.2021 23:30
Mathematics, 18.03.2021 23:30
Mathematics, 18.03.2021 23:30
History, 18.03.2021 23:30
Mathematics, 18.03.2021 23:30