Signup
LoginRecent Posts by Maith
-
-
Originally posted by xia0jess:
eu went SKG? sengkang one ar ? Got one particular docotor dun give mc de ..
That time , i having stomach flu , he sae nvm . Think is the same doc ba .. cox he also lecture me .. Den dont wan give me mc for sch..
i think i met him before oso..his name all k one. kang keng kiong or sth...one old bastard..he oso lectured me..tmd
-
-
-
Just had my exam..everything can do la..except for one question.Think its on the mole concept de.Anyway here's the question:
1)Tungsten metal,W,is manufactured by reducing tungsten(III)oxide,WO3,with carbon.
WO3+3C----->3CO+W
Calculate
i)the mass of carbon needed to reduce 116g of tungsten(III)oxide,
ii)the maximum mass of tungsten that can be formed.
That's all. Hope u guys can help. (:
-
thought dettol is like a bit slimy one..? how can u
not tell the difference?
