What percentage of the mass of hydrofluoric acid (HF) is contributed by hydrogen?
A. 10%
B. 5...
![subject](/tpl/images/cats/himiya.png)
Chemistry, 22.01.2022 04:00 gus2006santos
What percentage of the mass of hydrofluoric acid (HF) is contributed by hydrogen?
A. 10%
B. 50%
C. 1%
D. 5%
![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 17:30
What is the percentage by mass of silicon (si) in iron aluminum silicate (fe3al2(sio4)3)?
Answers: 2
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 00:00
Which of the following statements is true? a. elements in the last period are radioactive. b. atomic weight is the same as atomic mass. c. elements in the same group have the same number of electron shells. d. atomic number equals the number of neutrons in the nucleus of an atom.
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 13:10
Which electron configuration represents the electrons in an atom of sodium in the ground state at stp
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 04:40
6) (a) calculate the absorbance of the solution if its concentration is 0.0278 m and its molar extinction coefficient is 35.9 l/(mol cm). the depth of the cell is 5 mm. (b) what is the %t? (7) calculate the absorbance of the solution if the transmitted light intensity is 70% of the initial light beam intensity
Answers: 1
You know the right answer?
Questions
![question](/tpl/images/cats/mat.png)
Mathematics, 14.01.2021 17:50
![question](/tpl/images/cats/fizika.png)
Physics, 14.01.2021 17:50
![question](/tpl/images/cats/mat.png)
Mathematics, 14.01.2021 17:50
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 14.01.2021 17:50
![question](/tpl/images/cats/mat.png)
Mathematics, 14.01.2021 17:50
![question](/tpl/images/cats/mat.png)
Mathematics, 14.01.2021 17:50
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 14.01.2021 17:50
![question](/tpl/images/cats/mat.png)
Mathematics, 14.01.2021 17:50
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/es.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 14.01.2021 17:50
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 14.01.2021 17:50