Chemistry, 22.07.2021 16:10 xo216aaliyah216xo
Có 500 ml dung dịch X chứa đồng thời HCl và H2SO4 nồng độ tương ứng là 1,98M và 1,1M. Để trung hoà vừa đủ dung dịch X cần lấy V ml dung dịch Y chứa đồng thời NaOH và Ba(OH)2 nồng độ tương ứng là 3M và 4M. Giá trị của V là
Answers: 1
Chemistry, 21.06.2019 16:30, KieraKimball
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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Scientific evidence tells us that the cause of earths four season is the tilt of earth as it revolves around the sun. the student is instructed to illustrate this information in a science notebook. how will the student illiterate winter in the northern hemisphere?
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Có 500 ml dung dịch X chứa đồng thời HCl và H2SO4 nồng độ tương ứng là 1,98M và 1,1M. Để trung hoà v...
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