alalihoor3
alalihoor3 alalihoor3
  • 01-03-2021
  • Chemistry
contestada

please help >>>>>>>>>>>

please help gtgtgtgtgtgtgtgtgtgtgt class=

Respuesta :

IdilP IdilP
  • 01-03-2021

Answer:

Explanation:

mass of 1mole of brick =  mass of 1 brick x avagadro number

= 4 kg x 6.022 x 10^23 bricks  = 2.4 x 10^24 kg

No. of moles of bricks have a mass equal to the mass of the earth

= mass of earth / mass of 1 mole of brick

= [ 6 x 10^27 ]  /  [ 2.4 x 10^24 ]

= 2.5 x 10^3

= 2500 moles

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