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11-06-2021
Chemistry

contestada

How many molecules of methane, CH4, are contained in a 0.900 gram sample?

0.0563

3.39 x 1022

1.26

1.02 x 1023

Item at position 24

Respuesta :

senalvidun senalvidun

11-06-2021

Answer:

MOLAR MASS=12+4

=16 gmol^-1

number of moles=Mass/ molar mass

=0.900g/16gmol^-1

=0.05625 mol

the answer is first option

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