Chemistry, 25.10.2019 04:43 janessa0804
You have one test tube which contains a colorless solution that is either cu+2 (aq) or bi+3(aq). select a reagent that will allow you to differentiate between the two chemical species. if the solution is cu+2, what will happen when the reagent is added? if the solution is bi+3, what will happen when the reagent is added?
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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]
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You have one test tube which contains a colorless solution that is either cu+2 (aq) or bi+3(aq). sel...
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