awesome chem question plz answer it

[afatasstank]

what mass of KIO3 is needed to convert the copper in .2000 g of CuSO4*5(H2O) to Cu(IO3)2?

the grams/mole of KIO3 = 214.001
CuSO4*5H2O = 249.6846
Cu(IO3)2 = 413.3514

thanks guys!

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[VooDooo327]

what mass of KIO3 is needed to convert the copper in .2000 g of CuSO4*5(H2O) to Cu(IO3)2?

the grams/mole of KIO3 = 214.001
CuSO4*5H2O = 249.6846
Cu(IO3)2 = 413.3514

thanks guys!

Find the "moles" of Cu in the beginning (change the grams to moles). You need DOUBLE the moles of KIO3 since it is 2 KIO3 for every Cu. Then change the moles of KIO3 to grams. Have fun, Im not doing the math for you!

 

[afatasstank]

kewl bra, thanks, just to make sure though, when i multiply things out the step will be (2 mol KIO3 / 1 mol Cu(IO3)2) right? not (1 / 2) ?

 

[afatasstank]

ok im gonna type what i have plz let me know if its right.

.2000 g CuSO4*5H20 (1 mol CuSO4*5H20 / 249.6846 g CuSO4*5H20) (1 mol Cu(IO3)2 / 1 mol CuSO4*5H20) (2 mol KIO3 / 1 mol Cu(IO3)2) (214.001 g KIO3 / 1 mol KIO3) = .3428 g KIO3

 

[BerkReviewTeach]

ok im gonna type what i have plz let me know if its right.

.2000 g CuSO4*5H20 (1 mol CuSO4*5H20 / 249.6846 g CuSO4*5H20) (1 mol Cu(IO3)2 / 1 mol CuSO4*5H20) (2 mol KIO3 / 1 mol Cu(IO3)2) (214.001 g KIO3 / 1 mol KIO3) = .3428 g KIO3

Doesn't your professor post the answer key to these homework problems?