You will have a 500ml solution of salt water. from this you will take 10.0ml and place it on a balance. you find that the 10.0ml solution has a mass of 10.7 g. what is the density of the 500ml of salt water solution in g/ml?

All of the following are part of the biosphere except

How many grams of oxygen gas are contained in a 15 l sample at 1.02 atm and 28°c? show your work.

Astable electron arrangement for an atom is one that does not easily change. how is this arrangement arrived at? a. valence electrons are transferred or shared to create a full outer shell of electrons. b. valence electrons are discarded into space to create a full outer shell of electrons. c. protons (positive charge) pair with valence electrons (negative charge) to create a strong bond. d. outer shells with valence electrons are transferred or shared.