What's the molality of a solution with 120 g of NaCl and 30 kg of water? A. 6.8 B. 0.25 C. 0.004 D. 0.068

Draw the skeletal structures of two different molecules that are each made of 5 carbon atoms and 12 hydrogen atoms.

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

How many neutrons does an element have if its atomic number is 50 and its mass number is 166