Calcium oxide of mass 14.0g reacts with water. Determine the mass of calcium hydroxide formed [Ca=40, O=16+1=1]. Describe how 1dm cube of 1M NaOH solution could be prepared from NaOH crystals​

The isotonic saline solution described in part a is connected to an unknown solution via a semipermeable membrane, the unknown solution level drops. based on this information, what can be said about these two solutions?

This is a mixture that has the same composition throughout.

Which element forms an ionic bond with flourine? 1) fluorine 2) carbon 3) potassium 4) oxygen