Chemistry, 08.03.2021 18:10 rleiphart1
1. Calculate the pH of 0.5 M HA solution? ka=7.1*10^-4. 2. What is the pH of a 0.4 M ammonia solution? kb=1.8*10^-5
Answers: 1
Chemistry, 21.06.2019 15:30, tamiaollie
1. baking powder is a 1: 1 molar mixture of cream of tartar (khc4h4o6) and baking soda (nahco3). a recipe calls for two teaspoons (a total of 8.0 grams) of cream of tartar. how much baking soda must be added for both materials to react completely?
Answers: 2
Chemistry, 22.06.2019 21:00, cxttiemsp021
The rate constant for the reaction below is 6.2 x 10−5 mol l−1 s −1. if the initial concentration of a is 0.0500 m, what is its concentration after 115 s?
Answers: 1
Chemistry, 23.06.2019 00:20, cmflores3245
4. propanol and isopropanol are isomers. this means that they have a) the same molecular formula but different chemical properties. b) different molecular formulas but the same chemical properties. c) the same molecular formula and the same chemical properties. d) the same molecular formula but represent different states of the compound
Answers: 3
1. Calculate the pH of 0.5 M HA solution? ka=7.1*10^-4. 2. What is the pH of a 0.4 M ammonia solutio...
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