The American Dental Association recommends that an adult female should consume 3.0 mg of fluoride (F-) per day to prevent tooth decay. If the fluoride is consumed in the form of sodium fluoride (45.24% F), what amount of sodium fluoride contains the recommended amount of fluoride?
Ch.3 - Molecules, Compounds & Chemical Equations
Chapter 3, Problem 81c
Determine the number of moles of hydrogen atoms in each sample. c. 2.4 mol C6H12
![](/channels/images/assetPage/verifiedSolution.png)
Verified Solution
Video duration:
44s![](/channels/images/informationIcon.png)
Was this helpful?
Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Moles and Avogadro's Number
A mole is a unit in chemistry that represents 6.022 x 10^23 entities, such as atoms or molecules. This concept is fundamental for quantifying substances in chemical reactions and allows chemists to convert between the mass of a substance and the number of particles it contains.
Recommended video:
Guided course
Moles and Particles Conversion
Chemical Formula Interpretation
The chemical formula of a compound provides information about the types and numbers of atoms present. For example, C6H12 indicates that each molecule contains 6 carbon atoms and 12 hydrogen atoms, which is essential for calculating the total number of hydrogen atoms in a given number of moles.
Recommended video:
Guided course
Intepreting the Band of Stability
Stoichiometry
Stoichiometry is the area of chemistry that deals with the relationships between the quantities of reactants and products in chemical reactions. It allows for the calculation of the number of moles of different elements in a compound, facilitating the determination of how many atoms are present in a sample based on its moles.
Recommended video:
Guided course
Stoichiometry Concept
Related Practice
Textbook Question
1422
views
Textbook Question
Write a ratio showing the relationship between the molar amounts of each element for each compound. (See Appendix IIA for color codes.) (a)
576
views
Textbook Question
Write a ratio showing the relationship between the molar amounts of each element for each compound. (See Appendix IIA for color codes.) (b)
488
views
Textbook Question
Determine the number of moles of hydrogen atoms in each sample. d. 1.87 mol C8H18
711
views
Textbook Question
Determine the number of moles of oxygen atoms in each sample. a. 4.88 mol H2O2 b. 2.15 mol N2O c. 0.0237 mol H2CO3 d. 24.1 mol CO2
3869
views
1
comments
Textbook Question
Calculate the mass (in kilograms) of chlorine in 25 kg of each chlorofluorocarbon (CFC). b. CFCl3
2576
views