The answer to your question:
1.88 moles Na is 43.22 grams
3.8 Meters converts to 380 Centimeters.
Answer:decomposition reaction
Explanation:it is a decomposition reaction
Answer: An insulator would be made out of material unable to conduct electricity due to lack of fluid movement for electrons, such as rubber. Rubber properties not only prevents them from freely moving, but also helps electrons stay tightly bound to each other.
Hope this helps ^_^