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
Chemistry, 22.06.2019 17:00
Complete each row of the table below by filling in the missing prefix or missing exponent.
Answers: 1
Chemistry, 23.06.2019 01:00
Chromium(iii) sulfate is a transition metal compound containing the metal chromium and the polyatomic ion sulfate. the oxidation state of chromium in this compound is , and the chemical formula of the compound is ( ) . reset next
Answers: 3
What does an acid+base make...
Mathematics, 22.06.2019 04:30
Mathematics, 22.06.2019 04:30
Mathematics, 22.06.2019 04:30
Health, 22.06.2019 04:30
Arts, 22.06.2019 04:30
Social Studies, 22.06.2019 04:30
Mathematics, 22.06.2019 04:30
English, 22.06.2019 04:30
History, 22.06.2019 04:30
Computers and Technology, 22.06.2019 04:30
Mathematics, 22.06.2019 04:30
English, 22.06.2019 04:30
Mathematics, 22.06.2019 04:30