Chemistry, 24.07.2019 23:20 cornpops4037
325mgofacetylsalicylic acid (hc9h7o4). calculate the ph of a solution that is prepared by dissolving two aspirin tablets in one cup (237 ml) of solution. assume the aspirin tablets are pure acetylsalicylic acid, ka 5 3.3 3 1024.
Answers: 2
Chemistry, 22.06.2019 14:00
The content of manganese (mn) in steel was determined spectrophotometrically and with the use of the standard addition method. an unknown sample of mn from a digested steel sample gave an absorbance of 0.185 when analyzed spectrophotometrically. when 5.00 ml of solution containing 95.5 ppm mn was added to 50.0 ml of the unknown steel solution (digested sample), the absorbance was 0.248. calculate the concentration, in parts-per-million (ppm), of mn in the digested steel sample solution.
Answers: 3
Chemistry, 23.06.2019 03:30
If 2 molecules of one reactant combine with 3 molecules of another to produce 5 molecules of a product, then what is the representation of the reaction?
Answers: 1
Chemistry, 23.06.2019 10:30
If a 20.0ml test tube measures 15.0cm, what is the length in meters?
Answers: 1
325mgofacetylsalicylic acid (hc9h7o4). calculate the ph of a solution that is prepared by dissolving...
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