Chemistry, 13.10.2019 23:30 jasminelynn135owmyj1
A10 liter flask at 298 k contains a gaseous mixture of o2 and co2 at 1 atmosphere. which statement is true for the partial pressures of o2 and co2 if 0.2 mole of o2 is present in the flask? (given the universal gas constant r = 0.082 l∙atm/k∙mol)
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Answer asap need 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: 1
A10 liter flask at 298 k contains a gaseous mixture of o2 and co2 at 1 atmosphere. which statement i...
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