Respuesta :

linahamdan1980

Answer:

Explanation:

mass of the hydrogen atom in C3H8= 4.58 gram

C3H8                         8H

25.2 gram                  x

(3x12)+ 8                   8x1

    x =  4.58 grams of H

# moles of hydrogen = mass/m.wt

                                 = 4.58/8= 0.57 mole of hydrogen atom

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