How many grams of calcium cyanide (ca(cn)2) are contained in 0.79 mol of calcium cyanide?

An aqueous solution of calcium hydroxide is standardized by titration with a 0.120 m solution of hydrobromic acid. if 16.5 ml of base are required to neutralize 27.5 ml of the acid, what is the molarity of the calcium hydroxide solution?

In an exothermic reaction the bonding energy of the product is: less than the reactants same as the reactants greater than the reactants dependent upon the presence of a catalyst

How many moles of al3+ ions are in 1.25 moles of al2o3