Calculate the molarity of 120 grams of calcium nitrate in 240 ml of solution

The speed of light is around 6.706×10^8 miles per hour. what is the speed of light in units of miles per minute?

This is a characteristic of the elements in the periodic table that shows a pattern. it may increase or decrease across or down the table.

In the particles are arranged in a regular, repeating pattern. a)a crystalline liquid b)a crystalline solid c)all gases d)all solids