Chemistry, 14.10.2019 17:50 emilyborland50
The acid-dissociation constants of phosphoric acid (h3po4) are ka1 = 7.5 × 10-3, ka2 = 6.2 × 10-8, and ka3 = 4.2 × 10-13 at 25.0 °c. what is the molar concentration of phosphate ion in a 2.5 m aqueous solution of phosphoric acid?
Answers: 1
Chemistry, 22.06.2019 06:00, rigobertogarza2
According to each substances heat of fusion, which of the items below requires more heat to be added per gram of substance to go from solid to liquid? silver sulfur water lead
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Chemistry, 22.06.2019 10:10, babyphoraaaaa
For the reaction, 4 a(g) + 3 b(g) => 2 c(g), the following data were obtained at constant temperature. experiment initial[a],mol/l initial [b],mol/l initial rate, m/min 1 0.200 0.150 5.00 2 0.400 0.150 10.0 3 0.200 0.300 10.0 4 0.400 0.300 20.0 which of the following is the correct rate law for the reaction? 1. rate = k[a]2[b]2 2. rate = k[a][b] 3. rate = k[a]2[b] 4. rate = k[a][b]2
Answers: 3
The acid-dissociation constants of phosphoric acid (h3po4) are ka1 = 7.5 × 10-3, ka2 = 6.2 × 10-8, a...
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