Question

find the mass in gram of 6.022 x 10²⁰ molecules of methane​

Answer 1

Answer:

THIS is your answer 17

Explanation:

CH4

13+4

17

Answer 2

Answer:

Mass is 0.016g

Explanation:

Methane= Ch4

=> M°=12+4=16g

number of moles= number of particles/ Na

Number of moles= 10^-3

Now, number of moles= W/M°

=> 10^-3= W/16

Therefore W= 16/1000 or 0.016 g