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To Mark---DrBob222
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empirical formula mass = 12+1+16 = 29 145/29 = 5 molecular formula = (CHO)5 or C5H5O5 and molar mass is ?
Sb2O5 is correct. As for multiplying by whole numbers; remember that you can round to whole numbers as long as you don't round too much. That is, 8.1 can usually and safely be rounded to 8.0 or 8.9 to 9.0 but rounding 2.5 to 3 or 2 isn't done for 2.5 can
