Chemistry, 28.10.2019 05:31 eternity88091
Amedical drug with a chemical formula of c4 (hno3)6 is used to treat mild to moderate pain and to reduce fever . how many atoms are represented in its chemical formula?
a) 13
b)23
c) 34
d)54
Answers: 3
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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
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Nuclear decay is the spontaneous decay of one element into a. an x-ray b. a ray of light c. another element
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Amedical drug with a chemical formula of c4 (hno3)6 is used to treat mild to moderate pain and to re...
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