A student collected 1g of Hydrogen, oxigen, chlorine, &Amonia in seperate bottle.Arrange these samples in the decreasing order of number of molecules In them? Justify?
aqueous magnesium chloride reacts with the aqueous sodium carbonate and yields a soluble and an insoluble compound. write the double displacement equation and balance it. if 15.0g of each react is given, identify the limiting reactant and calculate the yield of the insoluble compound
10g of sample of mixture of cacl2 and nacl is treated to precipitate all calcium as caco3 this caco3 is heated to convert all ca to cao and final mass of cao is 1.62g. The percent by mass of cacl2 in original mixture is