Question

What is the number of molecules of methane in 4 grams of methane at standard temperature and pressure?

Answer 1

Answer:

PLZ MARK ME AS BRAINLIEST

Explanation:

Molecular wt. of CH4 = 16

6.023× 10 ^( 23) atoms = 16 g of CH4

so 4 g of CH4 = (6.023× 10^(23) × 4)/16

= 1.505 ×10^(23) molecules