Determine the number of grams of sodium carbonate needed to prepare 100.0 ml of a 2.5 m solution

How has the scientific community addressed the safety of chemicals? a. chemicals are repeatedly tested, even those that have existed for a long time. b. existing chemicals are tested if they have never been tested before. c. chemicals are tested if they are suspected to have caused a problem. d. only new chemicals are tested.

Gymnast always perform on padded mats. how does the mats protect the gymnast

What is the main purpose of patent attorneys? defend the company against legal claims manage financial investments invent new products protect rights to new products and processes