Chemistry, 11.12.2019 02:31 milkshakegrande101
Hlepthe half-life of cobalt-60 is 5.26 years. after 10.52 years, 5 grams of a 20-gram sample will remain.
select one:
true
false
Answers: 1
Chemistry, 22.06.2019 07:30
Identify two types of chemical bonding in the source of dietary potassium
Answers: 3
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 mass of naoh that would have to be added to 500 ml of a solution of 0.20 m acetic acid in order to achieve a ph of 5.0?
Answers: 1
Hlepthe half-life of cobalt-60 is 5.26 years. after 10.52 years, 5 grams of a 20-gram sample will re...
English, 15.10.2019 05:30
History, 15.10.2019 05:30
English, 15.10.2019 05:30
Mathematics, 15.10.2019 05:30
Computers and Technology, 15.10.2019 05:30
History, 15.10.2019 05:30
Mathematics, 15.10.2019 05:30
Mathematics, 15.10.2019 05:30
Computers and Technology, 15.10.2019 05:30
Biology, 15.10.2019 05:30
Mathematics, 15.10.2019 05:30
English, 15.10.2019 05:30
English, 15.10.2019 05:30