Question

In 0,2 moli de C se gasesc:
a) 12,046*10^22 atomi de C.
b) 1,2*6,022*10^23 neutroni
c) 12 * 6,022*10^23 protoni
d) 24* 6,022*10^23 nucleoni

Answer 1

a) 1molC...............6.023×10^23molecule

0.2moliC............x

X=0.2×6.023×10^23/1=1.2046×10^23=12.046× 10^22