![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 15:30
Which suspect most likely committed the robbery and how do you know
Answers: 2
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 21:00
One similarity and one difference between an element and a mixture of elements
Answers: 1
![question](/tpl/images/cats/himiya.png)
You know the right answer?
How does the stoma works?? ...
Questions
![question](/tpl/images/cats/geografiya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mkx.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 07.03.2021 17:30
![question](/tpl/images/cats/es.png)
Spanish, 07.03.2021 17:30
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 07.03.2021 17:30
![question](/tpl/images/cats/mat.png)
Mathematics, 07.03.2021 17:40
![question](/tpl/images/cats/istoriya.png)
History, 07.03.2021 17:40
![question](/tpl/images/cats/health.png)
Health, 07.03.2021 17:40
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 07.03.2021 17:40
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/en.png)
English, 07.03.2021 17:40
![question](/tpl/images/cats/biologiya.png)
Biology, 07.03.2021 17:40
![question](/tpl/images/cats/mkx.png)
Arts, 07.03.2021 17:40
![question](/tpl/images/cats/mat.png)
Mathematics, 07.03.2021 17:40