Jim Needs to Prepare One Liter of a 4% NaCl

question 54

Multiple Choice

Jim needs to prepare one liter of a 4% NaCl solution.How much NaCl should he weigh out?

• A)0.4 grams
• B)4.0 grams
• C)40 grams
• D)400 grams
• E)None of the choices are correct.

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Definitions:

Poison Arrow Frogs

A group of brightly colored frogs that are known for their powerful toxins, which indigenous people have used on the tips of arrows or darts for hunting.

Fruit-Eating Bats

Bats that primarily consume fruits or nectar from flowers, playing critical roles in ecosystem dynamics such as pollination and seed dispersal.

Ecotone

The transition zone where two communities meet and intergrade.

Transitional Zone

An area or region where two different habitats or ecological communities meet and integrate, often hosting a high diversity of species.