Chemistry, 06.07.2019 06:30 dezmondpowell
Asample of tetrachloroethylene, has a mass of 40.55g and a volume of 25.0 l at 25 c. what is its density at this temperature
Answers: 1
Chemistry, 22.06.2019 18:00
Answer asap need it by wednesday morning carry out the following calculations on ph and ka of from data. i. calculate the ph of 0.02m hcl ii. calculate the ph of 0.036m naoh iii. calculate the ph of 0.36m ca(oh)2 iv. calculate the ph of 0.16m ch3cooh which has ka = 1.74 x 10-5 mol dm-3 v. calculate ka for weak acid ha which has a ph of 3.65 at 0.30m concentration vi. calculate the ka of a solution made by mixing 15.0 cm3 0.2m ha and 60.0 cm3 0.31m a-. [ph= 3.80] vii. calculate the ph of a solution made by mixing 15.0 cm3 0.1m naoh and 35.0 cm3 0.2m hcooh. [ka = 1.82 x 10-4 m]
Answers: 1
Chemistry, 22.06.2019 23:00
What is the number of neutrons in an atom with atomic mass of 35
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Chemistry, 23.06.2019 04:31
How many grams of iron can be made from 16.5 grams of fe2o3
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Asample of tetrachloroethylene, has a mass of 40.55g and a volume of 25.0 l at 25 c. what is its den...
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