Chemistry, 30.04.2021 17:30 Jordandenzel
A sample of carbon dioxide occupies a 2.54 dm^3 container at STP. What is the volume of the gas at a pressure of 150.0 kPa and a temperature of 26.0°C?
Answers: 1
Chemistry, 21.06.2019 20:30
The first element on the periodic table of elements is carbon. a. true b. false
Answers: 2
Chemistry, 22.06.2019 10:30
If you add 5.00 ml of 0.100 m sodium hydroxide to 50.0 ml of acetate buffer that is 0.100 m in both acetic acid and sodium acetate, what is the ph of the resulting solution? acetic acid: ka = 1.8. x 10-5
Answers: 1
Chemistry, 22.06.2019 18:00
Answer asap need to be answered by wednesday morning explain how a buffer works, using an ethanoic acid / sodium ethanoate system including how the system resists changes in ph upon addition of a small amount of base and upon addition of a small amount of acid respectively. include the following calculations in your i. calculate the ph of a solution made by mixing 25cm3 0.1m ch3cooh and 40cm3 0.1m ch3coo-na+. [ka = 1.74 x 10-5 m] ii. calculate the ph following the addition of a 10cm3 portion of 0.08 m naoh to 500cm3 of this buffer solution. iii. calculate the ph following the addition of a 10cm3 portion of 0.08 m hcl to 200cm3 of the original buffer solution.
Answers: 3
A sample of carbon dioxide occupies a 2.54 dm^3 container at STP. What is the volume of the gas at a...
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