Na2So3 + HCl + HNO3 + BaCl2 = ?

xxpyromaniacxx · Post by **xxpyromaniacxx** » Sat Feb 21, 2009 8:02 am

Any help?

xxpyromaniacxx · Post by **xxpyromaniacxx** » Sat Feb 21, 2009 8:25 am

If it helps, Na₂SO₃ + HCl resutled in no appearant reaction, but the lab said this made the solution acidic. Then we added HNO₃ and again, no appearant reaction. Only after adding BaCl₂ did a change ahppen. After a few moments, the solution became a cloudy white color

expert · Post by **expert** » Sun Feb 22, 2009 9:08 pm

Na₂So₃ + HCl + HNO₃ + BaCl₂ = ?
Actually Na₂SO₃ and HCl do react. THe result is NaCl, SO₂ and H₂O
In the presence of HNO₃ SO₂ turns into H₂SO₄
BaCl₂ reacts with H₂SO₄ producing very insoluble BaSO₄. THis is assuming HNO₃ is diluted. Conc HNO₃ may oxidize BaCl₂ into Cl₂