Number 11 pls
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Answers: 2
Chemistry, 22.06.2019 11:30
Aperfume bottle is dropped in the corner of a room. the odor of the perfume can be detected on the other side of the room. which statement best describes this observation?
Answers: 2
Chemistry, 22.06.2019 12:50
What is the chemical name of the compound na2co3? use the list of polyatomic ions and the periodic table to you answer. a. sodium carbon oxide b. sodium carbonate c. sodium(ll) carbonate d. sodium oxalate
Answers: 1
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
Mathematics, 21.06.2019 21:40
Mathematics, 21.06.2019 21:40
English, 21.06.2019 21:40
Mathematics, 21.06.2019 21:40
Mathematics, 21.06.2019 21:40
Mathematics, 21.06.2019 21:40
English, 21.06.2019 21:40
Mathematics, 21.06.2019 21:40
English, 21.06.2019 21:40
Mathematics, 21.06.2019 21:50