calculate the percentage of oxygen in Al 2(SO4)3
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to find the %of oxygen in Al Sulphate we have to deternine the molar mass of aluminum sulphate
the atomic masses are(Al) is 27, (S) 32 and (O) 16 respectively.
thus molar mass is
2*27+3*32+4*3*16=342 gm/mole
mass contributed by oxygen=4*3*16=192gm
%contibition of oxygen=mass of oxygen/total mass of compound *100
=192/342*100
=56.14%
paridhisethi:
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