Which is most likely be the ph of a highly-corrosive acid ?

How many atoms are in 1.4 mil of phosphorus trifluoride (pf3)

Consider the nuclear equation below. 239/94 pu—-> x+ 4/2 he. what is x?

You are making a solution of calcium chloride dissolved in water. you add solid, stir, and it dissolves. you add just a spatula tip full, stir, and the solid does not dissolve. how could you describe the solutions before and after adding the spatula tip amount