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Answered

1. How many ions of aluminum oxide (Al2O3) are there in 200 g of AL2O3?
a) 11.80 x 1022
b) 1.18 x 1024
C) 11.80 x 1024
d) 1.18 x 1023
Show your solution please??

Sagot :

Nanami82go
mass/mw = moles x 6.02x10^23molecules/mole

200g/101.96 g/mole of Al2O3 = 1.96moles x 6.02x10^23molecules/mole = 1.18x10^24molecules

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