What is the percent composition of each element in copper gluconate?

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

Explain that newton first law,second law and third law of motion?

Drug abuse will not lead to physical and psychological dependence. true or false ?