Question

How many moles are present in 80g CH4 pls aslo show ur working of sum.
?​

Answer 1

Answer:

5 moles

Explanation:

since molar mass of CH4 is

[12+(4×1)]g/mol.

since carbon has a mass of 12g/mol. and H has 1g/mol.

12+4

=16

hence molar mass is 16g/mol.

since no. of mol. n is = given mass/molar mass

hence n=80/16

n=5 mol.

Answer 2

Answer:

OK I will show you working of sum

Explanation:

Num of moles = Mass

________

Molar mass

And the Molar mass of CH4 may be read straight

off your peroidic table

Molar mass of methane, CH4

= (12.011 +4 x 1.00794) . g . mol - ¹

Mass/Molar mass =80. g /16.0. g. Mol-¹=??mol

1/mol-¹= 1 /1/mole = mole

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