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Chemistry, 21.06.2019 15:30, zitterkoph
Which of the following mining methods disrupts the sea floor?
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Chemistry, 22.06.2019 09:20, kevinhernandez582
What will most likely happen when two bromine atoms bond together?
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Chemistry, 22.06.2019 14:00, hammackkatelyn60
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, 22.06.2019 18:30, tanviknawale
Which sample at stp has the same number of atoms as 18 liters of ne at stp
Answers: 1
If an element has an atomic number of 8 and an atomic mass number of 18, would it be an isotope? Why...
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