Chemistry, 02.10.2019 22:00 ayoismeisjjjjuan
Calculate the ph of a buffer prepared by mixing 500 ml of 0.38 m acetic acid with 500 ml of 0.25 m sodium acetate. pka for acetic acid is 4.76
(a) calculate the ph of a buffer prepared by mixing 400 ml of 0.24 m acetic acid with 300 ml of 0.48 m sodium acetate. (b) for the buffer in part a, calculate the new ph if to that buffer was added 10 ml of 6m naoh. ignore any volume change from the additional 30 ml.
Answers: 2
Chemistry, 22.06.2019 10:50, mi364
A100 kmol/h stream that is 97 mole% carbon tetrachloride (ccl4) and 3% carbon disulfide (cs2) is to be recovered from the bottom of a distillation column. the feed to the column is 16 mole% cs2 and 84% ccl4, and 2% of the ccl4 entering the column is contained in the overhead stream leaving the top of the column. calculate the mass and mole fractions of ccl4 in the overhead stream, and determine the molar flow rates of ccl4 and cs2 in the overhead and feed streams. 12. mw_ccla- 153.82; mw_cs2-76.14.
Answers: 3
Chemistry, 22.06.2019 12:00, shifaxoxoxo
What term is applied to a scientist who studies ancient life, including animal and plant fossils a. anthropologist b. dendroclimatologist c. geophysicist d. paleontologist
Answers: 2
Chemistry, 22.06.2019 15:30, 20cschultz
Which suspect most likely committed the robbery and how do you know
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Calculate the ph of a buffer prepared by mixing 500 ml of 0.38 m acetic acid with 500 ml of 0.25 m s...
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