What is the molar mass of the following substance : Cs2CO3

Significant figures are digits read directly from the measuring instrument plus one more digit, which is __ by the observer.

Acontrol during an experiment. might change remains constant does not exist does change

Some liquids can be distilled, but only at temperatures that are so high that it is impractical, or so high the compound decomposes. explain why distillation such compounds at significantly less than atmospheric pressure (some degree of vacuum) would solve this problem.