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Ggdx · Answer 1 · 2017-07-15T21:14:37+0000

75% Carbon
25% hydrogen

molar mass C and H is:

12.0 g/ mol
1.0 g/mol

number of moles:

C = 75 / 12 => 6.25 moles
H = 25 / 1 => 25 moles

C = 6.25 / 6.25 => 1
H = 25 /6.25 => 4

the empirical formula is: CH₄

hope this helps!

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