chemistry question?

2 ⤊

a crystalline material containing 30 g of barium chloride crystals was placed into an oven at 400 centigrade and heated for two ours. it was then cooled and weighted . the new mass was less before it was heated ,contain 20 g of barium chloride . how is this possible ?

2006-11-15 12:25:33 · 2 answers · asked by henry f 2 in Science & Mathematics ➔ Chemistry

2 answers

some of it turned into a gas

2006-11-15 12:27:24 · answer #1 · answered by Anonymous · 1⤊ 0⤋

chlorine gas was released

2006-11-15 20:28:38 · answer #2 · answered by joechem77 2 · 1⤊ 0⤋