Sodium Metal and Water React to Form Hydrogen and Sodium

question 20

Multiple Choice

Sodium metal and water react to form hydrogen and sodium hydroxide.If 5.98 g of sodium react with water to form 0.26 g of hydrogen and 10.40 g of sodium hydroxide,what mass of water was involved in the reaction?

• A)4.68 g
• B)5.98 g
• C)10.14 g
• D)10.66 g

---

Definitions:

Norepinephrine

Neurotransmitter of the postganglionic fibers in the sympathetic division of the autonomic system; also, a hormone produced by the adrenal medulla. Sometimes referred to as noradrenaline.

Nuclear Envelope Pores

Structures in the nuclear envelope that allow the transport of molecules between the nucleus and the cytoplasm.

Steroid Hormones

A class of hormones derived from cholesterol that includes testosterone, estrogen, and cortisol, playing key roles in metabolism, inflammation, and reproductive functions.

Peptide Hormones

Hormones composed of short chains of amino acids that affect the function of target cells or organs.