Question

Calculează numărul de atomi din
3 moli;
potasiu 120 g carbon.​

Answer 1

n=NA/N

N=NA*n

N=3*6,023*10^23

N=18,069*10^23 atomi K

b)n=m/M

n=120/12

n=10 moli

n=NA/N

N=n*NA

N=10*6,023*10^23

N=60,23*10^23 atomi C