Question

intr-un vas de 10 dm3 s-au turnat 6.02*10 26 molecule de apa . Sa umplut vasul?

Answer 1

$n= \frac{N}{N_{A} } = \frac{6.02*10^{26} }{6.02*10^{23}} = 1000 moli H2O$

m= n* M= 1000 moli * 18 g/mol = 18000 g H2O = 18 kg H2O

=> V=18 L H2O > 10dm3

=> S-a umplut vasul