Calculate the number of molecules in 46.0 grams of water

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.

How many moles of carbon dioxide will form if 2.5 moles of c3h8 is burned

What is the percentage composition of carbon in the compound ch4