What is the mass of 4.5 moles of Cu(NO3)2?

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.

Calculate the molar mass of aluminum oxide (al2o3). express your answer to four significant figures.

What can be found in the ionosphere