jdramsey87 jdramsey87

09-09-2020
Chemistry

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How many moles of hydrogen atoms are present in a 25.2 g sample of propane, C3H8?

Respuesta :

linahamdan1980 linahamdan1980

10-09-2020

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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