If the dosage for a medication is 225mg/lb, how many grams should a 25-lb child be given? SHOW ALL WORK

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 of the following shapes would represent a molecule with two bonded atoms and 3 lone pairs on only one of them , trigonal planar , bent , trigonal pyramidal , linear

Describe the properties of sodium, chlorine, and sodium chloride