1. protective sacs (valves ) 2. carries blood to the body (pulmonary)
3. carries blood to the lungs (heart chambers)
4. open and close (pericardium)
5. atria and ventricles (aorta)

Phosphorous acid, h3po3(aq) , is a diprotic oxyacid that is an important compound in industry and agriculture. the values of phosphorous acid are 1.30 6.70 calculate the ph for each of the given points in the titration of 50.0 ml of 1.5 m h3po3(aq) with 1.5 m koh(aq) .

How many molecules are found in 1.32 mol of nacl?

What will most likely happen when two bromine atoms bond together?