Calculate the no of oxygen atoms present in 0.51 gram of aluminium oxide.
Answers
Answered by
0
Given that
Mass of Al 2 O3 , W = 0.51g.
Molas mass of A1, O3,M = 102g/mol. :. Number of moles, n = w/m =0.51/102
0.005 molo/n ×na
: Number of molecules, N =na×n
= =0.095X 6.022 X 10^23 = 3.011 X 10^21 molecular
Al ₂ Oz 2 41 3+ ions > 2013 + + 302 per molecular
Number of A13tion = 2XN = RX 3.011 X 1021 = 6.022 X10?" iom
21
Similar questions