Determine el %m/m de una solución formada por 50g de NaCl que se disuelven en 152 g de agua, dando 202 g de solución.

In which phase(s) do the molecules take the shape of the container?

What is the mass of 0.46 mol of mgcl2

Inside a flashbulb, oxygen surrounds a thin coil of magnesium. when the flashbulb is set off, a chemical reaction takes place in which magnesium combines with oxygen to form magnesium oxide. which of the chemical equations matches the reaction above? a. mg + o2 mgo2 + energy b. 2mg + o mg2o + energy c. 2mg + o2 2mgo + energy d. mg + o mgo + energy