Question

Numărul de atomi din 24 g carbon este:
a) 6,023. 1023 atomi;
b) 12,046.1022 atomi;
c) 12,046.1023 atomi.​

Answer 1

1mol.....................12g

x moli...................24

x=24*1/2

x=2moli Carbon

1mol.............................6.023*10²³ atomi Carbon

2moli............................y

y=2*6.023*10²³/1

y=12.046.1023 atomi Carbon

R : 12.046.1023