![subject](/tpl/images/cats/himiya.png)
It is recommended that drinking water contain 1.6 ppm fluo- ride (f) to prevent tooth decay. consider a cylindrical reservoir with a diameter of 4.50 x 10' m and a depth of 10.0 m. (the volume is rh, where r is the radius and h is the height.) how many grams of f should be added to give 1.6 ppm? fluoride is provided by hydrogen hexafluorosilicate, h. sif. how many grams of h sif contain this much f?
![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 17:30
Oil rich countries in the middle east cover about 4% of earths total land area but prossess about 48% of the worlds known oil reserves what is the main reason for high concentration of reserves in this part of the world
Answers: 3
![question](/tpl/images/cats/himiya.png)
![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)
Chemistry, 23.06.2019 02:40
How can a mixture of salt water be separated into salt and water
Answers: 1
You know the right answer?
It is recommended that drinking water contain 1.6 ppm fluo- ride (f) to prevent tooth decay. conside...
Questions
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 30.01.2021 15:50
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 30.01.2021 15:50
![question](/tpl/images/cats/en.png)
English, 30.01.2021 15:50
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/en.png)
English, 30.01.2021 15:50
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 30.01.2021 15:50
![question](/tpl/images/cats/mat.png)
Mathematics, 30.01.2021 15:50
![question](/tpl/images/cats/en.png)
English, 30.01.2021 15:50
![question](/tpl/images/cats/mat.png)
Mathematics, 30.01.2021 15:50
![question](/tpl/images/cats/mat.png)
Mathematics, 30.01.2021 16:00
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 30.01.2021 16:00
![question](/tpl/images/cats/fr.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 30.01.2021 16:00
![question](/tpl/images/cats/mat.png)
Mathematics, 30.01.2021 16:00
![question](/tpl/images/cats/mat.png)
Mathematics, 30.01.2021 16:00
![question](/tpl/images/cats/mat.png)
Mathematics, 30.01.2021 16:00