What is the molar mass of Ca(NO3)2?

50 pts plz what is the physical state of matter of baking soda.

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

Which type of intermolecular attractions holds ammonia molecules together with other ammonia molecules?