A solution of potassium sulfate dissolved in 750 g of phenol boils at 183.5 degrees Celsius. What is the molal concentration of the solution. Phenol boils at 181.8 degrees Celsius. A. 0.48 m

B.0.34 m

C.0.21 m

D.0.16 m

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