1) What dishes & substances are needed to prepare a 0.2 M 50 mL NaNO3 solution? 2) What volume of vessel is required to dilute 50 mL of 0.2 M NaNO3 solution & obtain 0.1M solution?

If 10.g of agno3 is available, what volume of 0.25 m agno3 can be prepared

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

The number at the end of an isotope’s name is the number.