gigi3017 gigi3017

15-01-2022
Chemistry

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calculate the number of moles in 18.5 g of aluminum thiosulfate, Al2(S2O3)3

Respuesta :

misteradam0312 misteradam0312

16-01-2022

Answer:

0.05 mol

Explanation:

Moles = Mass / Mr (Relative formula mass)

Ar of aluminium = 27

Ar of sulphur = 32

Ar of oxygen = 16

Mr of Al2(S2O3)2 = (27×2)+((32×2)×3)+((16×3)×3)= 390

Moles = 18.5g / 390

Moles = 0.05 mol

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