Calcular la normalidad de 1200ml de una solución de tetraborato mercurioso que se a preparado con 52g de soluto?

Calculate the number of molecules present in 0.750 mol of mgo.

Aglow stick contains a glass vial with chemicals. when the glow stick is bent, the vial breaks and the chemicals react to produce a glow. a science student observes that a glow stick kept in the freezer glows for a longer duration than a glow stick kept at room temperature. what conclusion can be drawn based on the observation? be sure to note the outcome and test variables in the conclusion.

What is the percent by mass of oxygen in fe2o3