Chemistry, 28.06.2019 13:30 Kklove8987
Mercury and oxygen react to form mercury(ii) oxide, like this: 2hg (l) + o2 (g) → 2hgo (s) at a certain temperature, a chemist finds that a 5.2l reaction vessel containing a mixture of mercury, oxygen, and mercury(ii) oxide at equilibrium has the following composition: compound amount hg 14.7g o2 13.4g hgo 17.8g calculate kc for this reaction
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Phosphoric acid is a triprotic acid ( =6.9×10−3 , =6.2×10−8 , and =4.8×10−13 ). to find the ph of a buffer composed of h2po−4(aq) and hpo2−4(aq) , which p value should be used in the henderson–hasselbalch equation? p k a1 = 2.16 p k a2 = 7.21 p k a3 = 12.32 calculate the ph of a buffer solution obtained by dissolving 18.0 18.0 g of kh2po4(s) kh 2 po 4 ( s ) and 33.0 33.0 g of na2hpo4(s) na 2 hpo 4 ( s ) in water and then diluting to 1.00 l.
Answers: 3
Mercury and oxygen react to form mercury(ii) oxide, like this: 2hg (l) + o2 (g) → 2hgo (s) at a cer...
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