Calcium chloride when dissolved in water dissociates into its ions according to the CaCl2(aq) - > Ca^2+ (aq) + 2Cl^-
Calculate the number of ions obtained from CaCl2 when 222g of it is dissolved in water. ​

Which of these is a physical property

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

Calculate the percent composition by mass of each element in al(oh)3. use at least three significant figures.