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Chemistry, 21.06.2019 22:00, breannaasmith1122
If 1.63 times 10 negative 4 of helium dissolves in 100.0g of water, what is the concentration in parts per million
Answers: 3
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
Chemistry, 22.06.2019 23:30, treylartigue
The appropriate concentration for an iodine sanitizer is
Answers: 1
Chemistry, 23.06.2019 00:30, zaniathomasel
What is bromine+calcium iodide--> calcium bromide +iodine balanced
Answers: 1
Basic chem:
1. fes2 + o2 --> fe2o3 + so2
balanced equation:
2. al + o2 --&g...
1. fes2 + o2 --> fe2o3 + so2
balanced equation:
2. al + o2 --&g...
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