Chemistry, 20.09.2020 18:01 adreyan6221
Please help me identify the element. The picture is blurry so..
Answers: 3
Chemistry, 21.06.2019 23:00
Which statement describes covalent bases? they have hydroxide ions. they produce hydrogen ions. they are often amines. they are named the same as ionic compounds.
Answers: 3
Chemistry, 22.06.2019 06:00
How many atoms of mg are present in 97.22 grams of mg? 6.022 × 1023 2.408 × 1024 4.818 × 1024 5.855 × 1025
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
Please help me identify the element. The picture is blurry so.....
Business, 20.08.2019 15:10
History, 20.08.2019 15:10
Mathematics, 20.08.2019 15:10
Mathematics, 20.08.2019 15:10
Mathematics, 20.08.2019 15:10
Mathematics, 20.08.2019 15:10
Geography, 20.08.2019 15:10
English, 20.08.2019 15:10
Mathematics, 20.08.2019 15:10
Health, 20.08.2019 15:10
Chemistry, 20.08.2019 15:10