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15-03-2021
Chemistry

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how many moles of C8 H18 are present in a 546.23 gram sample?

Respuesta :

15-03-2021

Answer:

Given:

Compound C8H18

mass of compound- 546.23 gram

To find:

number of moles =?

Solution:

let's find out the molar mass of C8H18= 12×8+18×1 = 114 gram/mole

Number of moles= given mass/molar mass

=546.23/114

= 4.7818436487 moles.

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