Chemistry, 03.10.2019 13:20 mmoreno8041
Which of these describes a first order reaction? a. the rate is inversely proportional to the concentration of the reactant. b. the rate is directly proportional to the concentration of the reactant. c. the rate is constant, regardless of the concentration of the reactant. d. the rate is directly proportional to the square of the concentration of one of the reactants.
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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
Which of these describes a first order reaction? a. the rate is inversely proportional to the conce...
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