Answers: 1
Chemistry, 22.06.2019 12:00
Which of the following units is not an official si unit? mole liter kilogram ampere
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, 23.06.2019 10:50
Achemist reacted 57.50 grams of sodium metal with an excess amount of chlorine gas. the chemical reaction that occurred is shown. na + cl2 → nacl if the percentage yield of the reaction is 86%, what is the actual yield? show your work, including the use of stoichiometric calculations and conversion factors.
Answers: 1
How many molecules are in 3.50 moles of no2...
Mathematics, 22.03.2021 17:30
Mathematics, 22.03.2021 17:30
Mathematics, 22.03.2021 17:30
History, 22.03.2021 17:30
Advanced Placement (AP), 22.03.2021 17:30
Advanced Placement (AP), 22.03.2021 17:30
Biology, 22.03.2021 17:30
History, 22.03.2021 17:30