The molecular formula of corundum is Al2O3.
The percentage of O is calculated:
% O = 3 * AM O * 100 / MM Al2O3 = 3 * 16 * 100/102 = 47.1%
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Extra Credit: Can you calculate and oxide weight percent for Corundum?
#16 Calculate the oxide weight percents for Beryl.
can you show step by step directions, im really confused, thank
you!
Extra Credit chapter 2 5.0 ml of 1.0M NaOH solution is added to 250.0 mL of a 0.150M formate buffer at a pH of 4.10. Calculate the new pH after the NaOH has been added. pka formic acid = 3.74 formic acid: CH2O2 formate ion: CHO
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