How many moles are there in 45.0 g of sulfuric acid, H2 S04

What is the name of this hydrocarbon?

Astudent is trying to create a table that compares hypotheses, theories, and laws. hypothesis theory law do scientific researchers formulate it? yes yes yes does it explain why things happen? yes yes no yes yes yes is it used to make predictions? no yes yes which of the following questions would most likely fill the blank in the table? is it an intelligent guess? is it newly formulated? is it based on observations? has it been proved?

Which rate indicates the number of children that would be born per woman if she were to live to the end of her child bearing years