Question

calculate the number of moles of methane in 0.8g so methane

Answer 1

Dear student,

The number of mole of methane = n = m/Mw = 8.0 gr / 16.043 gr/mol = 0.499 mol.
Number of molecules =n×N_A= 0.499 mol x (6.022 x 10²³ 1/mol) = 3.005 x 10²³ molecules.


Regards,