![ansver](/tpl/images/cats/User.png)
Answers: 1
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Chemistry
![question](/tpl/images/cats/himiya.png)
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
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 20:30
Select all the correct answers.which compounds have the empirical formula ch20? (multiple answers)a.c2h4o2b.c3h603c.ch2o2d.c5h1005e.c6h1206
Answers: 2
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 23:00
What is the oxidation state of an individual bromine atom in nabro3?
Answers: 2
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 03:50
How many moles of potassium are needed to react completely with 12.8 moles of magnessium bromide?
Answers: 2
You know the right answer?
When boiling water what does adding salt do...
Questions
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 15.04.2021 21:20
![question](/tpl/images/cats/istoriya.png)
History, 15.04.2021 21:20
![question](/tpl/images/cats/mat.png)
Mathematics, 15.04.2021 21:20
![question](/tpl/images/cats/mkx.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 15.04.2021 21:20
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 15.04.2021 21:20
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 15.04.2021 21:20
![question](/tpl/images/cats/mat.png)
Mathematics, 15.04.2021 21:20
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 15.04.2021 21:20