To create Stonehenge,
humans moved giant
bluestones as far as 140 miles
how many years...
Answers: 3
Chemistry, 22.06.2019 05:30, alaynagrace1111
What is the mass of each element in a 324.8 sample of co2
Answers: 1
Chemistry, 22.06.2019 13:30, nasibamurodova
What are the chemical names of these compounds? ke: mg3n2: reset next
Answers: 1
Chemistry, 22.06.2019 18:00, kingamir
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
Mathematics, 17.03.2021 23:40
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