Question

Find the number of
millimoles of CH4 in
a sample containing
1.2044×10^21 CH4
molecules​

Answer 1

Answer:

1 mole CH4 contains 6.022 × 1023 molecules of CH4

So, the number of moles that have 1.2044 × 1021 molecules of CH4:

=

1.2044×1021 /

6.022×1023

= 0.002

= 2 millimoles

Explanation: