bai1:tinh khoi luong cua
a,0.3 (mol) CO2
b,1.5 (mol)Na2 SO4
c,0.75 (mol) Ca3 (PO4)2
bai2: can bang cac PTHH theo so do phan ung sau:
HgO----to--->Hg+O2
Zn+HCl------->ZnCl
Al+H2SO4------>A;2(SO4)3+H2
Cu+AgNO3----->Cu(NO3)2+Ag
Loga
Sinh Học lớp 12
