Calculate the volume of solute when 307 mL of water is used to create a 45.4% solution of KNO3

How does a scientist the government? a. the scientist tells people in society what to do. b. the scientist determines the policies that the government spends money on. c. the scientist provides unbiased information to the government. d. the scientist makes laws based on his or her research results.

The difference between the atomic number of an element and the element’s atomic mass is the number of ions.

Which characteristics can be used to differentiate star systems? check all that apply.