Question

calculate total number of ions in 204 gram of Aluminium oxide​

Answer 1

Explanation:

Heya ! Now, 1 mole of Al2O3 contains 2 moles of Al. The atomic mass of aluminium is given to be 27 u. This means that 1 mole of aluminium atoms ( or aluminium ions ) has mass of 27 grams , and it contains 6.022 × 10^23 aluminium ions

Answer 2

Answer:

12.044×10²³

Explanation:

molar mass of Al2O3 = 102

given weight = 204

number of moles = 204/102 = 2 moles

1 mole contains 6.022×10²³ ions

then 2 moles contain 12.044×10²³ ions

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