What Is the Mass Percent of a Sodium Fluoride Solution

question 102

Multiple Choice

What is the mass percent of a sodium fluoride solution prepared by dissolving 0.64 moles of sodium fluoride into 63.5 grams of water?

• A)26.9%
• B)42.3%
• C)70.3%
• D)29.7%
• E)none of the above

---

Definitions:

Carbon Dioxide

A clear, scentless gas that is a byproduct of burning carbon-based substances and the respiration process, which is utilized by plants during the process of photosynthesis.

Terrestrial

Terrestrial refers to organisms or environments that are land-based, as opposed to aquatic or marine.

Oceans

Large bodies of saltwater that cover approximately 71% of the Earth's surface and serve as a critical part of the planet's climate system and habitat for marine life.

Biological Magnification

The process by which the concentration of toxic substances increases in each successive link in the food chain.