How many moles are there in a 541g sample with a
FM of 42.73g/mol?

Joseph has hypothesized that sound travels in waves. if he were following the scientific method, what should he do next? a. ask a question. b. test the hypothesis. c. study the results. d. tell other scientists about his hypothesis.

If 1.8 l of water is added to 2.5l of a 7.0 m koh solution, what is the molarity of the new solution

An observation that requires measurement is called quantitative observable or qualitative