Calculate the mass of iron(III) oxide that could be produced when 37.62 g of iron(II) sulfide and 22.56 g of oxygen are allowed to react.

You encounter a solution that is acidic and you decide to test it by adding a small amount of a strong acid. the ph lowers slightly but is approximately unchanged, and still remains acidic. what can you say about the solution? a. it is a buffer solution. b. it is not a buffer solution it is a strong acid solution. d. the solution has been neutralized. e. the solution has excess acid present

This drawing shows a human body system. what is the primary function of this body system?

What is the mass of 2.00 l of an intravenous glucose solution with a density of 1.15 g/ml?