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Calculating Number of Oxygen Atoms in CaSO4: A Pop Quiz Challenge
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[QUOTE="nando94, post: 4520510, member: 303994"] I had a multiple choice problem on my pop quiz. How many oxygen atoms are there in .00334 grams of CaS0[SUB]4[/SUB] X 2H[SUB]2[/SUB]O. The molar mass is 172 g/mol. So .00334/172 = 1.9 x 10[SUP]-5[/SUP] moles x 6 since there are 6 oxygen x 6.022 x 10[SUP]23[/SUP] = 7.016 x 10[SUP]19[/SUP]. None of the answer choices had that. Did I do it wrong? I'm going to talk to my teacher about it tomorrow but its been bothering me lol. [/QUOTE]
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Calculating Number of Oxygen Atoms in CaSO4: A Pop Quiz Challenge
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