![subject](/tpl/images/cats/himiya.png)
In order to prepare a sample for absorbance readings, a vitamin tablet containing 25 mg of iron was dissolved in 6M HCl, quantitatively transferred into a 100 mL volumetric flask and diluted to the 100 mL mark with DI water. Then 20 mL and 17 mL of this solution were pipetted into separate 100 mL volumetric flasks and each of these was brought up to 100 mL volume by diluting with DI water to the mark.
Required:
Calculate concentration of iron in mg/L in each of these flasks
![ansver](/tpl/images/cats/User.png)
Answers: 3
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Chemistry
![question](/tpl/images/cats/himiya.png)
Chemistry, 21.06.2019 21:00
Agas in a balloon at constant pressure has a volume of 160 ml at -125*c. what is its volume at 29.0*c?
Answers: 1
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 14:30
How can carbon move from "land" to bodies of water? describe the way human impact has lead to increased levels of co2 in the atmosphere.
Answers: 2
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 18:00
Chlorophyll a had the molecular formula c55h72mgn4o5 how many atoms are in this molecule
Answers: 2
You know the right answer?
In order to prepare a sample for absorbance readings, a vitamin tablet containing 25 mg of iron was...
Questions
![question](/tpl/images/cats/mat.png)
Mathematics, 19.03.2020 10:21
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/istoriya.png)
History, 19.03.2020 10:21
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 19.03.2020 10:22
![question](/tpl/images/cats/en.png)
English, 19.03.2020 10:22
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/geografiya.png)
Geography, 19.03.2020 10:23
![question](/tpl/images/cats/mat.png)
Mathematics, 19.03.2020 10:23
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
English, 19.03.2020 10:23
![question](/tpl/images/cats/health.png)
Health, 19.03.2020 10:23
![question](/tpl/images/cats/mir.png)
![question](/tpl/images/cats/pravo.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 19.03.2020 10:24
![question](/tpl/images/cats/mat.png)