Chemistry, 05.05.2020 11:39 havanaoohnana
(Full explanation plzz) Which element exhibits the greatest number of different oxidation states?
a) O, b) La, c) Rb, d) Mg, e) N
Answers: 2
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, 23.06.2019 02:40
How can a mixture of salt water be separated into salt and water
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Chemistry, 23.06.2019 09:00
What factor besides temperature affects the boiling point of water? a. mass b. number of moles c. volume d. pressure
Answers: 3
(Full explanation plzz) Which element exhibits the greatest number of different oxidation states?
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