(20 POINTS) URGENT How many molecules of Acetic Acid (CH3COOH) are in a sample that has a mass of 172.90 g?

If soap hits the floor, is the soap dirty or the floor

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) .

2. how is heavy water different from normal water