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July 4, 2015

Homework Help: Chemistry

Posted by Anonymous on Thursday, April 1, 2010 at 8:55am.

Can you please someone check my answer for me? I don't know how to start thses answer. Chemistry is not my things. Please give me answers. :(

a)Determine the number of grams in 0.750 moles of the compound Iron(II)phosphate: Fe3(PO4)2.
answer: 129.68grams 357.477722g/mol is correct?
b)How many atoms of iron are in 0.750 moles of the compound
Iron(III)oxide?
Answer: .75 x 6.0220 10^23 = 5.5165 is correct answer?

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