Question

Calculati cate molecule contine un gram de apa. Rpd va rog! <3

Answer 1

m=1 g=0,001 kg

μ_H₂O=μ_H₂+μ_O=2*1+16=18 g=0,018 kg

ν=m/μ_H₂O=0,001/0,018≈0,055  moli

ν=N/N_A=>N=ν*N_A=0,055*6,023*10²³=0,335*10²³ molecule