Question

Hoà tan hoàn toàn 4,8g Mg trong bình khí clo

a)Tính Vcl2

b)Tính mMgCl2

Answer 1

nMg= 0.2 mol

Mg + Cl2 -to-> MgCl2

0.2__0.2_______0.2

VCl2= 4.48l

mMgCl2= 19g