Ойлголоо, уучлаарай Ойлголоо, уучлаарай /; coo
The mass of the product is <em>98.78 g.</em>
The word equation is
aluminum + chlorine → product
20.00 g + 98.78 g → <em>x</em> g
If each reactant is completely consumed, the <em>Law of conservation of Mass </em>tells us the mass of the product must be 98.78 g.
Carbon tetra chloride = CCl4
calcium bromide = CaBr2
'cause alphe-particle which was +ve charge, get repulsion from the atom, so he deducted that.......