Question

Cati moli de atomi se gases in 15kg atomi de fosfor. Care este masa a 4 moli nichel.

Answer 1

a)m=15kg=15000g
niu=?
niu=m/M
M(P)=31g/mol
niu=1500g/31g/mol=483,8mol

b)niu=4mol
m=?
m=niu×M
M(Ni)=59g/mol
m=59g/mol×4mol=236g