Chemistry, 17.07.2021 20:40 knussoshd3603
Hoá hơi 5g este đơn chức E được thể tích hơi bằng thể tích của 1.6g oxi đo cùng đk t° và áp suất . Xà phòng hoá hoàn toàn 1g este E bằng dd NAOH vừa đủ được ancol X và 0.94 gam muối natri
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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 21:30
What is the correct name for the compound cocl3? a) cobalt(i) chloride b) cobalt(i) chlorate c) cobalt(ii) chlorate d) cobalt(iii) chloride
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Chemistry, 22.06.2019 22:30
What must be in balance for temperatures to remain constant?
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Chemistry, 22.06.2019 23:30
Match each statement with the state of matter it describes
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Hoá hơi 5g este đơn chức E được thể tích hơi bằng thể tích của 1.6g oxi đo cùng đk t° và áp suất . X...
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